Brands

Test Tubes

<h2 dir="ltr">What are Test Tubes?</h2>
 Test tubes for laboratory use are open-ended, cylindrical glass or plastic tubes used to hold, mix, incubate, and heat liquid and solid samples across a broad range of applications: bacteriological culture, tissue culture, clinical chemistry, serological assays, immunology, and general sample processing. Choose borosilicate glass for reusable, high-temperature, or chemically demanding applications; choose polystyrene disposable 12&times;75 mm tubes for flow cytometry and colorimetric assays; choose polypropylene capped tubes for microbial culture with anaerobic or gas-generating organisms.
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<h2 dir="ltr">What you will find:</h2>
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<ul>
<li dir="ltr" aria-level="1">Glass test tubes in diverse formats for heating and chemical reaction workflows</li>
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Plastic polypropylene test tubes for routine laboratory use
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Graduated tubes for quick and easy volume estimation
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Conical and round-bottom tube formats for different applications
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Sterile disposable test tubes for clinical and diagnostic work
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Heat-resistant tubes for incubation and controlled heating steps
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</ul>
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<h2 dir="ltr">How to Choose Test Tubes</h2>
 Material: Glass vs. Polypropylene vs. Polystyrene Borosilicate glass 3.3 (ASTM E438 Type I, Class B) test tubes withstand direct flame, autoclave sterilization at 121 &deg;C, and most solvents, acids, and bases. They are reusable and autoclavable, making them cost-effective over high-volume laboratory runs. Polystyrene (PS) disposable tubes offer outstanding optical clarity for flow cytometry (FACS), cell counting, and OD-based colorimetric assays, but cannot be autoclaved and should not be used with aromatic solvents or strong acids. Polypropylene (PP) tubes are chemically resistant, autoclavable, and available with screw caps for anaerobic culture or gas-generating reactions. Rimmed vs. Rimless Rimless test tubes (fire-polished ends) allow easier insertion of rubber or silicone stoppers and are preferred for plugging with cotton wool for microbial culture. Rimmed tubes have a flared lip that facilitates pouring and is compatible with spring-metal tube closures. Confirm your closure type before ordering in bulk. Size and Volume The most common test tube dimensions in clinical and research labs: 12&times;75 mm: ~5 mL capacity; standard for flow cytometry, FACS, serology 13&times;100 mm: ~10 mL; general culture and chemistry 16&times;100 mm: ~14 mL; culture and chemistry 16&times;125 mm: ~17 mL; microbiological culture 18&times;150 mm: ~25 mL; larger-volume digests and culture Wall thickness of 1.2 mm (light wall, borosilicate 3.3) is the standard for general lab use; heavy-wall versions are used for digestions and applications involving vacuum or pressure. Sterile vs. Non-Sterile Sterile borosilicate glass culture tubes (individually wrapped or bulk-sterilized) are required for microbial culture, cell culture, and any application where contamination would invalidate the result. Non-sterile tubes are adequate for chemistry, spectroscopy, and other abiotic applications. Disposable PS tubes from Corning (PYREX&trade;) and Globe Scientific are supplied sterile or non-sterile; confirm the specification on the lot certificate. 
<h2 dir="ltr"> Specifications Context</h2>
 Borosilicate glass 3.3 test tubes have a linear thermal expansion coefficient of 3.3 &times; 10⁻⁶ K⁻&sup1;, providing resistance to thermal shock from room temperature to 300 &deg;C (direct flame) and from 0 to 121 &deg;C (autoclave cycles). Light-wall tubes (1.2 mm uniform wall thickness) provide the standard for general laboratory use; heavy-wall variants (2.0 mm) are used for digestion vessels and pressurized applications. Corning PYREX&trade; disposable round-bottom rimless glass tubes for tissue culture conform to ASTM standards and are the reference format for bacteriological serology and cell wash procedures. MBP supplies Globe Scientific and NEST Scientific test tube lines for research and clinical labs across the USA, Canada, and worldwide. &nbsp; 
If you&rsquo;re choosing between glass and plastic or trying to match the right size to your workflow, it&rsquo;s worth getting that part right early &mdash; it makes everything downstream smoother and a lot less messy. <a href="https://mbpinc.net/contact-us">Contact the MBP team now!</a>

110405-Group-Tubes, Caps & Racks Catalog

110405-Group-TDS-110405-110406

5mL Culture Tube with Dual Position Cap

Globe Scientific 110405 — 5 mL culture tube with dual-position snap cap in polystyrene (1,500 RPM max) or polypropylene (3,000 RPM, autoclavable, freezable). Loose cap position for aerobic incubation; sealed position for anaerobic culture, storage, and transport.

Manufacture

Culture Tube, 12 x 75mm (5mL), PS, with Separate Dual Position Cap, CS/1000

Culture Tube, 12 x 75mm (5mL), PP, with Separate Dual Position Cap, CS/1000

Culture Tube, 12 x 75mm (5mL), PS, STERILE, Attached Dual Position Cap, 25/Bag, 20 Bags/Unit, CS/500

Culture Tube, 12 x 75mm (5mL), PP, STERILE, Attached Dual Position Cap, 25/Bag, 20 Bags/Unit, CS/500

110410-110441-Group-Tubes, Caps & Racks Catalog

110410-110441-Group-TDS-110410-110441

5mL Culture Tubes

110409 by Globe Scientific is a 5 mL, 12 × 75 mm culture tube available in polystyrene (PS, 1,500 RPM max, high optical clarity) or polypropylene (PP, 3,000 RPM max, autoclavable, freezable). Standard format for flow cytometry, cell culture, and clinical sample preparation.

Test Tube, 12 x 75mm (5mL), PS, 250/Bag, 8 Bags/Unit, CS/2000

Test Tube, 12 x 75mm (5mL), PS, 1000/Bag, CS/4000

Test Tube, 12 x 75mm (5mL), PS, for use in Instruments, CS/4000

Test Tube, 12 x 75mm (5mL), PS, Blue, CS/4000

Test Tube, 12 x 75mm (5mL), PS, 250/Oriented Box, 8 Boxes/Unit, CS/2000

Test Tube, 12 x 75mm (5mL), PS, 250/Oriented Box, 4 Boxes/Unit, CS/1000

Test Tube, 12 x 75mm (5mL), PS, Conical Bottom, 250/Bag, 8 Bags/Unit, CS/2000

Test Tube, 12 x 75mm, (5mL), PS, 1000/Bag, 1 Bag/Box, BOX/1000

Test Tube, 12 x 75mm (5mL), PP, 250/Bag, 8 Bags/Unit, CS/2000

Test Tube, 12 x 75mm (5mL), PP, 1000/Bag, CS/4000

Test Tube, 12 x 75mm (5mL), PP, Amber, 1000/Bag, 2 Bags/Carton, CS/2000

Test Tube, 12 x 75mm (5mL), PP, for use in Instruments, CS/4000

Test Tube, 12 x 75mm (5mL), PP, 250/Oriented Box, 8 Boxes/Unit, CS/2000

Test Tube, 12 x 75mm (5mL), PP, 250/Oriented Box, 4 Boxes/Unit, CS/1000

Test Tube, 12 x 75mm (5mL), PP, Conical Bottom, 250/Bag, 8 Bags/Unit, CS/2000

Test Tube, 12 x 75mm, (5mL), PP, 1000/Bag, 1 Bag/Box, BOX/1000

110470-110471-Group-Tubes, Caps & Racks Catalog

110470-110471-Group-TDS-110470-110471

5mL Plastic Test Tubes

110470 by Globe Scientific is a 5 mL polystyrene test tube, 13×75 mm, supplied in a bag of 1000. Maximum centrifugation rating of 1500 RPM; optically clear for visual sample inspection. Fits standard 13 mm tube racks and is compatible with polyethylene plug caps. ISO 9001:2015 certified manufacturer.

Test Tube, 13 x 75mm (5mL), PS, 1000/Bag, CS/4000

Test Tube, 13 x 75mm (5mL), PP, 1000/Bag, CS/4000

Test Tube, 13 x 75mm (5mL), PS, 500/Bag, 4 Bags/Unit, CS/2000

Test Tube, 12 x 75mm (5mL), PP, with Separate Natural Plug Cap, 1000/Box, BOX/1000

Test Tube, 13 x 75mm (5mL), PP, 500/Bag, 4 Bags/Unit, CS/2000

Centrifuge Tubes

<h2>What Are Centrifuge Tubes?</h2>
 Centrifuge tubes are cylindrical laboratory containers with caps that are used to separate, pellet, and store biological or chemical samples through centrifugal force. They are commonly made from polypropylene (PP) or polystyrene (PS) and are available in sizes ranging from small 0.5 mL microtubes to larger 50 mL conical tubes. These tubes are widely used for cell pelleting, protein precipitation, DNA and RNA extraction, tissue homogenate clarification, and long-term sample storage. Depending on the material, they can withstand temperatures from &minus;80 &deg;C to +121 &deg;C.
In short, the best centrifuge tube depends on your centrifuge rotor, required g-force, sample volume, and sterility needs. 
<h2>What You Will Find: </h2>
<ul>
<li><a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes" title="All Centrifuge Tubes">All Centrifuge Tubes</a>: Comprehensive selection of 15 mL and 50 mL conical tubes with clear graduations for daily lab workflows.</li>
<li><a href="https://mbpinc.net/consumables/centrifuge-tubes/oak-ridge-style-centrifuge-tubes" title="Oak Ridge Style Centrifuge Tubes">Oak Ridge Style Centrifuge Tubes</a>: High-speed, chemical-resistant tubes designed to withstand extreme RCF without deformation.</li>
<li><a href="https://mbpinc.net/consumables/centrifuge-tubes/centrifuge-bottles" title="Centrifuge Bottles">Centrifuge Bottles</a>: Heavy-duty, larger-capacity vessels engineered for bulk sample processing and high-velocity runs.</li>
<li><a href="https://mbpinc.net/consumables/centrifuge-tubes/large-volume-centrifuge-tubes" title="Large Volume Centrifuge Tubes">Large Volume Centrifuge Tubes</a>: Industrial-strength 250 mL and 500 mL tubes optimized for pilot-scale harvesting and bioprocessing.</li>
</ul>
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<h2>How to Choose Centrifuge Tubes</h2>
 Volume and Rotor Compatibility
Select a tube size that matches both your sample volume and centrifuge rotor. Microtubes ranging from 0.5&ndash;2 mL are commonly used in microcentrifuges and can typically handle speeds up to 20,000 &times; g. Midi tubes in the 5&ndash;10 mL range are suitable for intermediate sample volumes, while 15 mL and 50 mL conical tubes are commonly used in clinical, research, and preparative centrifuges.
Material: Polypropylene vs. Polystyrene
Polypropylene (PP) tubes offer excellent chemical resistance and can tolerate temperatures from &minus;80 &deg;C to +121 &deg;C. They are suitable for autoclaving and exposure to many laboratory solvents. Polystyrene (PS) tubes provide superior optical clarity, making it easier to visually inspect samples and liquid levels, but they have lower resistance to solvents and extreme temperatures.
Sterility and Contamination Control
Sterile centrifuge tubes are typically gamma- or E-beam-irradiated and certified free of RNase, DNase, and pyrogens. These tubes are recommended for RNA extraction, cell culture, and clinical applications where contamination must be minimized. Non-sterile tubes may still be RNase- and DNase-free and are often suitable for routine DNA work and general sample storage.
Cap Design
Attached screw caps help prevent cap mix-ups and sample contamination, especially in high-throughput laboratories. Separate caps can be quicker to open and may be preferred in workflows that require frequent access to samples. If tubes will be used with automated systems, cap dimensions should be verified for compatibility with liquid handling equipment.
Packaging Options
Racked tubes provide convenient organization and allow direct pipetting while the tubes remain in the rack. Bulk-bagged tubes offer a more economical option for laboratories that process large volumes of samples and already have tube storage systems in place.
<h2> Comparing Common Centrifuge Tube Types</h2>
 Microtubes (0.5&ndash;2 mL) are ideal for PCR preparation, microcentrifuge applications, and storage of small sample volumes. They can generally withstand centrifugal forces up to 20,000 &times; g.
Midi tubes (5&ndash;10 mL) are designed for intermediate sample volumes such as culture supernatants and can typically tolerate forces up to 16,000 &times; g.
Sterile 15 mL conical tubes are frequently used for cell pelleting, RNA extraction, and clinical sample processing, with typical ratings between 12,000 and 15,000 &times; g.
Sterile 50 mL conical tubes are commonly selected for larger-volume applications including tissue culture work, density gradient preparation, and large-scale sample processing.
Polystyrene conical tubes in 15 mL and 50 mL formats are often chosen when visual sample inspection is important and solvent exposure is minimal.
<h2> Specifications and Features</h2>
 Polypropylene centrifuge tubes from Globe Scientific and Nest Scientific are manufactured from USP Class VI virgin resin and do not contain plasticizers or processing additives. Sterile products are typically irradiated to achieve a sterility assurance level (SAL) of 10⁻⁶. Most 15 mL tubes feature graduation marks at 1 mL intervals, while 50 mL tubes are usually graduated every 5 mL. MBP offers both bagged and racked centrifuge tube formats, including 15 mL and 50 mL conical tubes as well as smaller microtube and midi tube options.
MBP supports procurement departments by accepting purchase orders and offering institutional pricing for qualified high-volume customers. <a href="https://mbpinc.net/contact-us">Contact the MBP team today</a> for a customized quote.

<h2 data-section-id="155qizo" data-start="0" data-end="33">What Are All Centrifuge Tubes?</h2>
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The All Centrifuge Tubes collection includes the complete range of tube sizes commonly used in research, clinical, and laboratory environments. These tubes range from small 0.5 mL and 1.5&ndash;2 mL microtubes used in microcentrifuge applications to 5 mL and 10 mL midi tubes for intermediate sample volumes, as well as 15 mL and 50 mL conical tubes designed for cell culture, density gradient preparation, and larger-volume sample processing. They are available in polypropylene (PP) for enhanced chemical resistance and temperature tolerance or polystyrene (PS) for improved optical clarity.
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What you will find:
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<ul>
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<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/microcentrifuge-tubes" title="Microcentrifuge Tubes">Microcentrifuge Tubes</a> &ndash; Precision-engineered for small-volume sample preparation.
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<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/screw-cap-tubes" title="Screw Cap Tubes">Screw Cap Tubes</a> &ndash; Secure, leak-proof closures for long-term storage and transport.
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<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/15ml-and-50ml-centrifuge-tubes" title="15ml &amp; 50ml Centrifuge Tubes">15ml &amp; 50ml Centrifuge Tubes</a> &ndash; Standard conical bottom tubes for large-volume processing.
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<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/midicentrifuge-tubes-5ml-and-10ml" title="Midicentrifuge Tubes (5ml &amp; 10ml)">Midicentrifuge Tubes (5ml &amp; 10ml)</a> &ndash; The perfect bridge for intermediate sample sizes.
</li>
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<a href="https://mbpinc.net/consumables/centrifuge-tubes/all-centrifuge-tubes/microtubes-box" title="Microtubes Box">Microtubes Box</a> &ndash; Durable storage racks for organized sample management and protection.
</li>
</ul>
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<h2 data-section-id="1f93yys" data-start="914" data-end="963">How to Choose From All Centrifuge Tube Formats</h2>
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Volume and Rotor Compatibility
Selecting the correct tube size is essential for safe and efficient centrifugation. Microtubes ranging from 0.5&ndash;2 mL are designed for microcentrifuges, while 5&ndash;10 mL midi tubes fit compatible benchtop centrifuge rotors. Larger 15 mL and 50 mL conical tubes are commonly used in clinical and research centrifuges. Always verify rotor compatibility before introducing a new tube format into your workflow.
Sterility Requirements
For sensitive applications such as RNA extraction, cell culture, and clinical diagnostics, sterile tubes certified free of RNase, DNase, and pyrogens are recommended. Non-sterile tubes can provide a cost-effective solution for routine DNA analysis, protein assays, and general sample storage where sterility is not critical.
Material Selection
Polypropylene tubes offer excellent durability, can be autoclaved at 121 &deg;C, and resist many laboratory chemicals and solvents. Polystyrene tubes provide superior transparency, making it easier to monitor liquid levels and sample contents, although they are less resistant to heat and solvents.
Packaging and Inventory Planning
Microtubes are commonly available in pack sizes ranging from 500 to 1,000 units, while 15 mL and 50 mL conical tubes are often supplied in cases of 500. Laboratories with consistent usage may benefit from establishing recurring purchase orders to ensure uninterrupted supply.
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<h2 data-section-id="urfo3f" data-start="2395" data-end="2433">Compare Centrifuge Tube Size Groups</h2>
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Microtubes (0.5&ndash;2 mL) are primarily used for PCR preparation, microcentrifuge applications, and storage of small sample volumes. These are typically manufactured from polypropylene and are available in pack sizes of 500&ndash;1,000 units.
Midi tubes (5&ndash;10 mL) support intermediate-volume centrifugation and supernatant collection. They are commonly made from polypropylene and supplied in packs ranging from 100&ndash;500 units.
15 mL conical tubes are widely used for cell pelleting, RNA isolation, and clinical sample processing. They are available in both polypropylene and polystyrene formats and are generally packaged in cases of 500.
50 mL conical tubes are designed for larger-volume workflows, including tissue culture, density gradient preparation, and sample processing. Like 15 mL tubes, they are available in polypropylene and polystyrene and are commonly sold in cases of 500.
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<h2 data-section-id="1ezckh3" data-start="3318" data-end="3348">Specifications and Features</h2>
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Globe Scientific and Nest Scientific centrifuge tubes are manufactured from USP Class VI virgin polypropylene or polystyrene resin and are certified free from detectable RNase, DNase, and pyrogens. Sterile products are irradiated using gamma or E-beam methods to achieve a sterility assurance level (SAL) of 10⁻⁶. MBP offers both racked and bagged formats for 15 mL and 50 mL conical tubes, along with dispenser-box options for selected microtube product lines that support efficient use in high-throughput laboratory environments.
For procurement teams, MBP accepts purchase orders and offers institutional pricing for bulk and high-volume purchases. <a href="https://mbpinc.net/contact-ushttps://mbpinc.net/contact-us" title="Contact the MBP team" style="color: #236fa1;">Contact the MBP team</a> today to learn more

All Centrifuge Tubes

<h2 data-section-id="132783j" data-start="0" data-end="34">What Are Microcentrifuge Tubes?</h2>
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Microcentrifuge tubes are small-volume polypropylene or low-binding polypropylene vessels available in 0.5 mL, 1.5 mL, and 2.0 mL capacities. They are designed for use in fixed-angle and variable-speed microcentrifuges and are commonly used for sample preparation, DNA and RNA isolation, protein purification, enzyme reaction setup, and cryogenic sample storage. Depending on the application, these tubes are available with either hinged snap caps or threaded screw caps that help protect samples from leakage, contamination, and evaporation during centrifugation and storage.
Microcentrifuge tubes are essential consumables in molecular biology, biochemistry, clinical chemistry, proteomics, and genomics laboratories. Among all formats, the 1.5 mL snap-cap tube remains the most widely used microcentrifuge tube in routine molecular biology workflows.
Use 1.5 mL snap-cap polypropylene tubes for general molecular biology applications, 2.0 mL tubes for bead-based extraction and precipitation workflows, screw-cap tubes for volatile or valuable samples, and low-binding tubes for dilute proteins or nucleic acids.
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<h2 dir="ltr">What you will find:</h2>
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0.5mL, 0.6mL, 1.5mL, 2.0mL, 5.0mL (for small-volume to high-volume applications)
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Tubes only: Snap-cap, one-hand use
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O-ring caps: Leak-proof, secure seal
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Sterile: RNase/DNase-free for sensitive work
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Non-sterile: Cost-effective for general use
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<h2 data-section-id="1yp6iwa" data-start="1166" data-end="1204">How to Choose Microcentrifuge Tubes</h2>
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Volume: 0.5 mL / 1.5 mL / 2.0 mL
&nbsp;0.5 mL tubes minimize dead volume for concentrated or precious samples and fit compact block heaters. 1.5 mL is the universal format compatible with virtually all microcentrifuge rotors, heating blocks, and automated liquid handlers. 2.0 mL provides extra headspace for vortex mixing and bead-based extraction protocols; the slightly wider diameter is also compatible with most 1.5 mL rotor slots.
Cap Style: Snap Cap vs Screw Cap
Snap-cap microcentrifuge tubes feature hinged lids that allow quick one-handed operation and are preferred for high-throughput laboratory workflows involving frequent pipetting.
Screw-cap tubes equipped with O-rings or sealing rings provide a hermetic seal capable of withstanding centrifugal forces up to 20,000 &times; g. These tubes are recommended for volatile reagents, repeated freeze-thaw cycles, and long-term storage at ultra-low temperatures. Laboratories requiring enhanced sample security often select screw-cap formats for valuable or irreplaceable specimens.
Standard vs Low-Binding Polypropylene
Standard polypropylene microcentrifuge tubes are suitable for most routine laboratory applications. Low-binding polypropylene tubes are designed to reduce sample adsorption to tube walls and are particularly beneficial when working with dilute proteins, low-concentration nucleic acids, or single-cell samples where maximizing recovery is critical.
Bottom Geometry: Conical vs Self-Standing
Conical-bottom tubes concentrate pellets at the tip of the tube, improving sample recovery and simplifying resuspension after centrifugation.
Self-standing tubes feature a flat base that allows them to remain upright without a rack, making them convenient for sample handling, labeling, and storage. While they offer greater bench-top convenience, pellets may form slightly off-center compared with traditional conical-bottom designs.
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<h2 data-section-id="11skgd4" data-start="3407" data-end="3446">Compare Microcentrifuge Tube Formats</h2>
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Snap-cap conical polypropylene microcentrifuge tubes are available in 0.5 mL, 1.5 mL, and 2.0 mL capacities. Rated to approximately 16,000 &times; g, they are the standard choice for molecular biology, PCR preparation, nucleic acid extraction, and enzyme reaction workflows.
Screw-cap polypropylene tubes with O-rings are offered in 1.5 mL and 2.0 mL formats with either conical or flat-bottom designs. These tubes can withstand centrifugal forces up to 20,000 &times; g and are commonly used for volatile samples, cryogenic storage, and biobanking applications.
Self-standing screw-cap microcentrifuge tubes are available in 0.5 mL, 1.5 mL, and 2.0 mL capacities. Featuring sealing rings and flat-bottom construction, they provide stable rack-free storage and are often used in color-coded sample management systems. These tubes are typically rated up to 20,000 &times; g.
Amber polypropylene microcentrifuge tubes are available with either snap caps or screw caps in 1.5 mL and 2.0 mL sizes. Designed for light-sensitive compounds, they help protect samples from light exposure while supporting centrifugation up to approximately 16,000 &times; g.
Dispenser-box snap-cap microcentrifuge tubes are commonly available in 1.5 mL and 2.0 mL formats and are packaged for convenient bench-top dispensing. They are ideal for high-throughput laboratories that process large numbers of samples and require efficient access to consumables.
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<h2 data-section-id="1jl751w" data-start="4881" data-end="4906">Specifications Context</h2>
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Globe Scientific microcentrifuge tubes are manufactured from USP Class VI virgin polypropylene and are certified RNase-free, DNase-free, and non-pyrogenic by lot under ISO 9001:2015 quality management standards. Nest Scientific microcentrifuge tubes are similarly manufactured to USP Class VI specifications and are available in self-standing formats with six cap color options for simplified sample organization.
Standard packaging configurations include 500 tubes per case for snap-cap formats and 500 tubes per case supplied in 50-tube packs for screw-cap variants. As of 2026, MBP stocks both dispenser-box snap-cap tubes and screw-cap microcentrifuge tube formats, with bulk purchasing options available for high-volume laboratories.
Achieve consistent results with secure, medical-grade centrifugation vessels. <a href="https://mbpinc.net/contact-us" title="Contact Molecular Biology Products Inc." style="color: #236fa1; text-decoration: underline;">Contact Molecular Biology Products Inc.</a> for a quote to upgrade your workflow.

Microcentrifuge Tubes

DataSheet

Snap Cap Microcentrifuge Tubes Specifications

5ml Clear Centrifuge Tubes, Round Bottom

NEST Scientific 603011 is a 5 mL clear round-bottom centrifuge tube — additive-free USP Grade VI polypropylene, snap cap, 12.32 × 51.93 mm, −80°C to +121°C range. ISO 13485:2016 and cGMP certified. Non-sterile, 200/pk, 2,000/cs. Standard format for flow cytometry and density-gradient separations.

Manufacturer

5ml Centrifuge Tubes, Clear, Round Bottom, Snap Cap, non-sterile. 200/pk, 2000/case

5ml Centrifuge Tubes, Clear, Round Bottom, Snap Cap, Sterile, 200/pk, 2000/case

Filtered Pipette Tips

<h2 dir="ltr"> What Are Filtered Pipette Tips?</h2>
 Filtered pipette tips contain a hydrophobic aerosol-barrier plug &mdash; polyethylene (PE) frit or cellulose &mdash; embedded inside the tip body, positioned to intercept aerosol and liquid that would otherwise travel up through the tip collar into the pipette barrel during dispensing or when handling volatile or splashing samples. The filter protects the pipette barrel from internal contamination (which requires costly professional decontamination) and protects samples from cross-contamination by previously deposited nucleic acids, proteins, or biohazardous material in the barrel. Filtered tips are the standard consumables for PCR and qPCR setup, RNA extraction, cDNA synthesis, working with radioactive or biohazardous agents, and any workflow where a single contaminated barrel could compromise a run or an experiment. Non-filtered tips remain appropriate for routine buffer, media, and reagent dispensing where cross-contamination through the barrel is not a concern. Use filtered tips for all nucleic acid work, PCR, and biohazardous samples; use standard tips for routine buffer and reagent dispensing.
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<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li><a href="https://mbpinc.net/consumables/liquid-handling-products/pipette-tips/universal-fit-pipette-tips" title="Universal Fit Filter Tips">Universal Fit Filter Tips:</a> &ndash; Designed to fit a wide range of standard pipettes, with options including wide-bore, low-retention, sterile, RNase/DNase-free, and aerosol barrier formats to support diverse liquid handling applications while maintaining sample integrity.</li>
<li><a href="https://mbpinc.net/consumables/liquid-handling-products/filtered-pipette-tips/lts-compatible-filter-tips" title="LTS Compatible Filter Tips:">LTS Compatible Filter Tips:</a>&nbsp;Optimized for high-performance pipetting systems, featuring extended-length and rack-packed configurations for deep-vessel access, with bulk-pack options available to support reliable, high-throughput laboratory workflows.</li>
</ul>
<h2 dir="ltr"> How to Choose Filtered Pipette Tips</h2>
 Filter Material: Polyethylene Frit vs Cellulose Hydrophobic PE frits are the most common and most studied aerosol-barrier material; they block liquid ingress reliably without absorbing sample material or releasing fibres. Cellulose filters are used in some barrier tips (including the original Thermo Barrier tips); they are effective aerosol barriers but can absorb a small volume of aqueous sample, relevant at &le;10 &micro;L, where the absorbed volume is proportionally significant.
Universal Fit vs LTS-Compatible Filtered Tips Universal filtered tips use standard collar geometry (3.8 mm for &le;10 &micro;L, 6.1 mm for &le;200 &micro;L) and fit Eppendorf, Rainin Classic (non-LTS), and Thermo pipettes. LTS-compatible filtered tips use Rainin's cylindrical LTS mounting geometry and are required for Rainin LTS pipettes.&nbsp;
Low-Retention Filtered Tips Low-retention filtered tips combine an aerosol barrier with a hydrophobic inner tip wall, reducing liquid adhesion during dispensing. They are recommended for small-volume (&le;10 &micro;L) nucleic acid work, RNA, protein, and enzyme dispensing, where both contamination protection and volume accuracy are critical.
Volume Range Filtered tips are available across 10 &micro;L (P2&ndash;P10), 20 &micro;L (P20), 100 &micro;L (P100), 200 &micro;L (P200), 300 &micro;L, 1,000 &micro;L (P1000), and 1,250 &micro;L extended formats. Extended-length filtered tips reach deep into 15 mL and 50 mL conical tubes for nucleic acid elution and sample transfer steps.
Packaging Filtered tips are typically sterile-racked (96/rack, 10 racks/box); reload/refill formats are available for high-volume filter tip users.
<h2 dir="ltr"> Specifications Context</h2>
 Globe Scientific filter tips are certified free of human DNA, RNase, DNase, pyrogens, and PCR inhibitors; sterile, in flip-top or hinged racks. Sorenson Bioscience universal filter tips span 10&ndash;1,250 &micro;L in standard rack and EcoRack reload formats, pre-sterilised, DNase/RNase-free. Invitrogen Barrier Tips (Thermo Fisher) are the original reference for nucleic acid work with cellulose filter elements; compatible with Eppendorf pipettes. Globe Scientific, Nest Scientific, and Sorenson Bioscience filtered tips are stocked by MBP Inc.&nbsp; 
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Don&rsquo;t let cross-contamination stall your progress. <a href="https://mbpinc.net/contact-us" style="color: #236fa1;">Reach out to the MBP team</a> today for a quote or to find the perfect fit for your specific pipette brand.

<h2 dir="ltr"> What Are Universal Fit Filter Tips?</h2>
 Universal fit filter tips combine two well-established features: the standardised collar geometry of universal-fit tips (3.8 mm collar for &le;10 &micro;L, 6.1 mm for &le;200 &micro;L, ~7.5 mm for &le;1,000 &micro;L) and an integrated hydrophobic PE aerosol-barrier frit inside the tip shaft. The collar geometry enables cross-brand compatibility; the PE frit physically blocks aerosol droplets and liquid from entering the pipette barrel when over-pipetting, vigorous mixing, or volatile samples are involved. They deliver contamination protection equivalent to brand-specific filter tips at a cost appropriate for labs standardising on universal consumables. Universal fit filter tips are the default contamination-control tip for any lab with a mixed Eppendorf/Gilson/Rainin fleet running PCR, RNA, or biohazardous protocols.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li data-section-id="m30as9" data-start="0" data-end="80">Sorenson Brand OneTouch Barrier Tips and Sorenson Brand Filtered Pipette Tips.</li>
<li data-section-id="xhf726" data-start="82" data-end="146">Universal fit filtered pipette tips in bulk packaging formats.</li>
<li data-section-id="nu40o7" data-start="148" data-end="206">Low retention filter pipette tips from Globe Scientific.</li>
<li data-section-id="ibpfse" data-start="208" data-end="283">X-Series filtered pipette tips for filtered liquid handling applications.</li>
<li data-section-id="1xtcja5" data-start="285" data-end="358" data-is-last-node="">5 mL and 10 mL filtered pipette tips for Eppendorf and Thermo pipettes.</li>
</ul>
<h2 dir="ltr"> How to Choose Universal Fit Filter Tips</h2>
 Filter Material: PE Frit vs Self-Sealing Barrier Standard PE frit filters (Globe Scientific, Sorenson Bioscience, Nest Scientific) are hydrophobic sintered polyethylene that blocks aerosol and liquid without absorbing sample material &mdash; the most broadly specified filter type. Self-sealing barrier tips (e.g., Thermo Scientific ART) use a swelling polymer that expands on contact with liquid to create a complete seal; they provide reliable protection but at a higher cost and from fewer suppliers. Low-Retention Universal Filter Tips Low-retention universal filter tips add a hydrophobic inner tip wall to the PE frit. Use them at &le;10 &micro;L for RNA, enzyme aliquoting, and small-volume nucleic acid work where both contamination protection and maximum volume delivery accuracy are required. Volume Range 10 &micro;L: P2&ndash;P10 range; sequencing gel loading, micro-volume PCR setup. 20 &micro;L: P20 range. 100 &micro;L: P100. 200 &micro;L: P200 &mdash; the highest-volume filter tip in most labs. 300 &micro;L: for some extended P300 pipettes. 1,000 &micro;L: P1000. 1,250 &micro;L: extended high-volume format. Extended-Length Filter Tips Extended-length universal filter tips (200 &micro;L and 1,000 &micro;L) are 20&ndash;40 mm longer than standard, enabling aerosol-protected access to the bottom of 15 mL and 50 mL conical tubes during nucleic acid elution and sample transfer steps. Packaging Universal filter tips are typically sterile-racked (96/rack &times; 10 racks/box). Sorenson EcoRack reload inserts are available for high-volume filter tip users seeking plastic waste reduction. 
<h2 dir="ltr"> Specifications Context</h2>
 Universal fit filter tips are certified DNase-free, RNase-free, human DNA-free, ATP-free, pyrogen-free, and PCR inhibitor-free per independent lot. Virgin polypropylene construction; PE frits are hydrophobic, sintered polyethylene confirmed PCR inhibitor-free. Sterile racked tips are EO-sterilised or gamma-irradiated to SAL 10⁻&sup3;&ndash;10⁻⁶. Thermo Scientific ART universal filter tips use a proprietary self-sealing barrier; Globe Scientific and Sorenson Bioscience use PE frits. Sorenson Bioscience universal filter tips in standard rack and EcoRack reload formats are stocked by MBP Inc.&nbsp; 
&nbsp;
Why settle for a "maybe" fit when you can have a perfect seal? <a href="https://mbpinc.net/contact-us" style="color: #236fa1;">Reach out to the MBP team</a> today to find the right universal solution for your lab&rsquo;s setup.

Universal Fit Filter Tips

5ml and 10ml Filtered Pipette tips For Eppendorf & Thermo

307013 by NEST Scientific is a sterile, racked filtered pipette tip for 5 mL and 10 mL pipettors, molded from USP Grade VI polypropylene with a USP Grade VI PE aerosol barrier filter. E-beam sterilized to SAL 10⁻⁶, pyrogen-free, DNase/RNase/DNA-free, and BSE/TSE-free. Compatible with Eppendorf, Sartorius, Gilson, and Watson 5 mL pipettor styles. 24 tips/rack, 10 racks/pack.

5ml Filtered Pipette Tips For Eppendorf, Sartorius, Watson, Gilson, racked, Sterile, 24/rack, 10 racks/pk, 30 racks/cs

5ml Filtered Pipette Tips For Thermo, racked, Sterile, 40/rack, 10 racks/pk, 30 racks/cs

10ml Filtered Pipette Tips For Eppendorf, Sartorius, Gilson, racked, Sterile, 24/rack, 10 racks/pk, 30 racks/cs

10ml Filtered Pipette Tips For Thermo, racked, Sterile, 24/rack, 10 racks/pk, 30 racks/cs

Pipette Tips

<h2 dir="ltr">What Are Pipette Tips?</h2>
 Pipette tips are disposable polypropylene cones that attach to the shaft of an air-displacement pipette, forming the liquid-contact surface for aspiration and dispensing. The seal between the tip collar and the pipette shaft is the single most important factor in volumetric accuracy; a poorly fitting tip introduces systematic volume error that causes the instrument to deviate from its calibrated specification. Tips span micro volumes (0.1&ndash;10 &micro;L) through standard (20&ndash;200 &micro;L and 100&ndash;1,000 &micro;L) to high-volume (up to 1,250 &micro;L), with variants for filtered aerosol protection, low-retention liquid release, extended reach into deep vessels, and wide-bore dispensing of viscous samples.&nbsp;
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/liquid-handling-products/pipette-tips/universal-fit-pipette-tips" style="color: #236fa1;">Universal Fit Pipette Tips</a> &ndash; Available in volumes from 0.1 &micro;L to 5000 &micro;L, including low-retention and extended-length options, with sterile rack, bulk bag, and non-sterile refill formats.
</li>
<li dir="ltr" aria-level="1">
<a href="https://mbpinc.net/consumables/liquid-handling-products/filtered-pipette-tips/lts-compatible-filter-tips" style="color: #236fa1;">LTS Compatible Pipette Tips</a> &ndash; Feature PosiStop seals for use with Rainin-style pipettes and are offered with GreenRack systems, reload stacks, and empty rack frames.
</li>
</ul>
&nbsp;
<h2 dir="ltr">How to Choose Pipette Tips</h2>
 Collar Size and Pipette Compatibility Tip collar diameter determines fit: 3.8 mm collar for &le;10 &micro;L pipettes; 6.1 mm collar for &le;200 &micro;L; approximately 7.5&ndash;8.0 mm collar for P1000 pipettes. Universal fit tips use these standard collar sizes and are compatible with Eppendorf Research, Rainin Classic (non-LTS), Thermo Finnpipette, and Sartorius/BioHit. Rainin LTS and Eppendorf epT.I.P.S. use proprietary collar geometry and require instrument-specific tips. Filtered vs Non-Filtered Aerosol-barrier filter tips contain a hydrophobic PE or cellulose plug that blocks aerosol and liquid from reaching the pipette barrel; required for PCR, qPCR, and RT-PCR setup, RNA extraction, and work with biohazardous samples. Non-filter standard tips are appropriate for buffer, media, and reagent dispensing where cross-contamination through the barrel is not a concern. Low-Retention vs Standard Polypropylene Low-retention tips are injection-moulded from hydrophobic polypropylene with reduced surface energy or coated to minimise liquid adhesion on the inner wall. They improve accuracy at &le;10 &micro;L and for dispensing viscous, protein-containing, or organic solvent samples. Standard PP tips leave small residual volumes in the tip after dispensing; this residue is negligible at 200 &micro;L but significant at 2&ndash;5 &micro;L. Extended-Length and Wide-Bore Extended-length tips (also called long tips or gel-loading tips) reach into deep 15 mL and 50 mL tubes, cryovials, and electrophoresis gel wells. Wide-bore tips have an enlarged aperture for dispensing viscous samples, cell suspensions, and tissue lysates without shearing. Packaging Format Hinged 96-tip racks are standard for manual pipetting. Reload inserts fit into reusable rack bases to reduce per-tip cost and plastic waste. Bulk bags provide the lowest cost per tip for non-sterile applications.
&nbsp;
<h2 dir="ltr">Specifications Context</h2>
 Pipette tips are certified DNase-free, RNase-free, ATP-free, human DNA-free, PCR inhibitor-free, and pyrogen-free per independent lot testing. Virgin polypropylene free of additives, antistatic agents, and dyes is the standard material. ISO 8655 compliance for the pipette system depends on tip-pipette seal quality; confirm tip compatibility with your specific pipette model.&nbsp; Sorenson Bioscience universal and filtered tips, Globe Scientific, and Nest Scientific lines are stocked by MBP Inc.&nbsp;
&nbsp;
Not sure which tip fits your current project best?<a href="https://mbpinc.net/contact-us" style="color: #236fa1;"> The MBP team</a> is just a message away. We&rsquo;ll help you find the perfect match and get a quote headed your way.

<h2 dir="ltr"> What Are Universal Fit Pipette Tips?</h2>
 Universal fit pipette tips use collar diameters standardised across most major air-displacement pipette brands, allowing a single tip product to seat on pipettes from multiple manufacturers. The three primary collar sizes are: 3.8 mm for &le;10 &micro;L tips, 6.1 mm for &le;200 &micro;L tips, and approximately 7.5&ndash;8.0 mm for P1000 tips. These collar sizes cover Eppendorf Research Plus, Rainin Classic (non-LTS), Thermo Finnpipette, Sartorius/BioHit, and VWR pipettes. Universal fit tips cover most lab pipettes at a lower cost per tip &mdash; the exception is Rainin LTS, which needs dedicated LTS tips. 
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li data-path-to-node="4,0,0"><a href="https://mbpinc.net/consumables/liquid-handling-products/pipette-tips/universal-fit-pipette-tips/refill-stations-for-universal-fit-pipette-tips-">Refill Stations for Universal Fit Pipette Tips</a> &ndash; Eco-friendly, space-saving reload stacks designed for rapid rack replenishment with zero-touch contamination control.</li>
<li data-path-to-node="4,0,0"><a href="https://mbpinc.net/consumables/liquid-handling-products/pipette-tips/universal-fit-pipette-tips/bulk-and-racked-pipette-tips">Bulk &amp; Racked Pipette Tips </a>&ndash; High-clarity, medical-grade tips available in reinforced racks for immediate use or economical bulk bags for high-volume workflows.</li>
</ul>
<h2 dir="ltr"> How to Choose Universal Fit Pipette Tips</h2>
 Volume Range: Match Tip to Pipette 10 &micro;L universal tips (3.8 mm collar) cover 0.1&ndash;10 &micro;L single-channel pipettes and the P10 range. 200 &micro;L universal tips (6.1 mm collar) cover P20, P50, P100, and P200 pipettes. 1,000 &micro;L universal tips cover P1000 pipettes and are available in standard-length and extended-length formats. 1,250 &micro;L macro universal tips accommodate high-volume dispensing steps in the 1,000&ndash;1,250 &micro;L range. Standard vs Filtered Universal Tips Standard universal tips are sufficient for buffer, media, and reagent dispensing. Filtered universal tips &mdash; with hydrophobic PE or cellulose aerosol barrier &mdash; are required for PCR setup, RNA work, and any contamination-sensitive application. Using filtered tips universally reduces contamination risk in shared pipettes at the cost of approximately 1.5&ndash;2&times; the price of standard tips. Low-Retention Universal Tips Low-retention universal tips minimise residual volume on the inner tip wall. This matters at &le;10 &micro;L, where standard tips may retain 0.2&ndash;0.5 &micro;L, creating a systematic under-delivery error. Sorenson's universal low-retention tips maintain compatibility with all major standard-collar pipettes. Packaging Format Racked (hinged 96-tip rack): standard for manual pipetting. Reload inserts: drop into reusable rack bases; 20&ndash;30% lower per-tip cost and reduced plastic. Bulk (non-sterile bag): lowest cost per tip for non-sterile buffer/media work. Sterile racked tips are required for cell culture, RNA, and clean applications. OneTouch / Ergonomic Formats OneTouch reload formats allow the full tip insert to be loaded into the pipette simultaneously, reducing repetitive-strain impact from individual tip-loading in high-throughput workflows. 
<h2 dir="ltr"> Specifications Context</h2>
 Universal fit tips are manufactured from 100% virgin polypropylene, certified DNase-free, RNase-free, ATP-free, human DNA-free, pyrogen-free, and PCR inhibitor-free per lot. Sorenson Bioscience universal tips are manufactured in a Class 100,000 cleanroom, pre-sterilised, and sold through MBP Inc. in standard racks, EcoRack reloads, and bulk formats. Universal fit tips remain the highest-volume tip category in North American research labs due to multi-brand compatibility and lower cost per tip versus pipette-specific variants.&nbsp; 
If you&rsquo;re setting up a workflow or mixing pipette brands in the same lab, it&rsquo;s usually worth sorting tip compatibility early &mdash; it removes a lot of small daily friction that adds up over time. <a href="https://mbpinc.net/contact-us">Contact the MBP team</a> to get a tailored quote!

Universal Fit Pipette Tips

<h2 dir="ltr">What Are Pipette Tip Refill Stations?</h2>
 A pipette tip refill station consists of two components: a durable outer rack frame (typically polypropylene or polycarbonate) that holds tips at standard 9 mm well spacing, and disposable reload inserts &mdash; tip wafer trays pre-loaded with 96 tips &mdash; that drop into the frame to replace a depleted set. Once the insert is exhausted, the rack base is retained, and a new insert is loaded, rather than discarding the entire rack assembly. This system is designed for high-throughput labs that consume hundreds of racks per month; at that scale, the reduction in plastic waste (up to 60%) and per-tip cost (typically 15&ndash;30% lower than equivalent racked tips) is meaningful over a year. Reload inserts carry the same universal-fit collar geometry and purity certifications as standard hinged racks.&nbsp; Refill stations make economic and environmental sense when your lab replaces more than two full cases of racked tips per month.
&nbsp;
<h2 dir="ltr">What You Will Find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">Refill Pipette Tips &ndash; High-efficiency, non-sterile reload inserts designed for rapid, zero-waste rack replenishment.</li>
<li dir="ltr" role="presentation">DoubleStack Racked Tips &ndash; Space-saving, high-density sterile formats that maximize your storage without sacrificing accessibility.</li>
<li dir="ltr" role="presentation">Long Reach Reload Systems &ndash; Specialized extended-tip reloads paired with durable starter kits for deep-vessel sampling.</li>
<li dir="ltr" role="presentation">Large Volume Tip Solutions &ndash; 5ml and 10ml high-capacity tips compatible with major brands like Eppendorf and Thermo.</li>
<li dir="ltr" role="presentation">Standard &amp; Routine Tips &ndash; Reliable, medical-grade universal tips in both sterile racks and economical refill formats for daily lab use.</li>
</ul>
<h2 dir="ltr"> How to Choose a Refill Station System</h2>
 Rack Base Compatibility Reload inserts are designed to fit specific rack base models &mdash; they are not universally interchangeable. Confirm the rack base brand and model before ordering reload inserts; for example, Sorenson EcoRack reload inserts fit Sorenson EcoRack bases, USA Scientific LTS refill wafers fit USA Scientific racks, and Nest Scientific inserts fit Nest frames. MBP Inc. supplies matched rack bases and insert systems &mdash; contact the team if unsure which base fits your existing racks. Sterile vs Non-Sterile Inserts Sterile reload inserts (EO-sterilised or gamma-irradiated) are required for PCR setup, RNA work, cell culture, and any sterility-sensitive application. Non-sterile inserts are suitable for routine buffer, media, and reagent dispensing where the pipette and tip will not contact a sterile sample. Volume Range Refill inserts are available in the same volume range as racked tips: 10 &micro;L, 200 &micro;L, 300 &micro;L (select formats), and 1,000&ndash;1,250 &micro;L. Confirm that the same volume range is available for both the rack base and the reload insert from your supplier. Filter vs Non-Filter Inserts Filter reload inserts &mdash; with integrated aerosol-barrier elements &mdash; are available for labs requiring contamination protection in PCR or nucleic acid work. Non-filter reload inserts are the economical choice for routine liquid handling. OneTouch / Stacked Loading Systems Some refill formats (e.g., Rainin SpaceSaver, Sorenson EcoRack, Biotix reload) offer stacked magazine-style packaging where multiple inserts are stacked in a column; a fresh insert auto-advances when the previous is depleted, reducing tip-station restocking frequency in high-throughput workflows. 
<h2 dir="ltr"> Specifications Context</h2>
 Reload insert tips are manufactured from the same virgin polypropylene as standard racked tips, certified DNase-free, RNase-free, human DNA-free, ATP-free, and PCR inhibitor-free per lot. Rainin SpaceSaver inserts reduce plastic waste by up to 80% versus hinged racks using recyclable PETE packaging. Biotix uTIP reload inserts reduce plastic waste by 30%; Sorenson EcoRack inserts reduce waste by up to 60%. Sorenson Bioscience EcoRack reload inserts are stocked by MBP Inc. in 10 &micro;L, 200 &micro;L, and 1,250 &micro;L volumes.&nbsp; 
Stop drowning in empty boxes. Browse our Refill Station inventory and <a href="https://mbpinc.net/contact-us" style="color: #236fa1;">contact the MBP team</a> for a custom quote today.

Refill Stations for Universal Fit Pipette Tips 

5ml and 10ml Pipette tips For Eppendorf & Thermo

SKU 307011 — 5mL and 10mL large-volume pipette tips for Eppendorf and Thermo Fisher Scientific pipettors, available in sterile and non-sterile options with multiple packaging configurations.

5ml Pipette Tips For Eppendorf, Sartorius, Watson, Gilson, Bulk, Non-Sterile, 100/pk, 1000/cs

5ml Pipette Tips For Thermo, Bulk,100/pk, Non-Sterile, 1000/cs

10m Pipette Tips For Eppendorf, Sartorius, Gilson, Bulk, Non-Sterile, 100/pk, 1000/cs

10ml Pipette Tips For Thermo, Bulk, Non-Sterile, 100/pk, 1000/cs

5ml Pipette Tips For Eppendorf, Sartorius, Watson, Gilson, racked, Sterile, 24/rack, 10 racks/pk, 30 racks/cs

5ml Pipette Tips For Thermo, racked, Sterile, 40/rack, 10 racks/pk, 30 racks/cs

10ml Pipette Tips For Eppendorf, Sartorius, Gilson, racked, Sterile, 24/rack, 10 racks/pk, 30 racks/cs

10ml Pipette Tips For Thermo, racked, Sterile, 24/rack, 10 racks/pk, 30 racks/cs

Cell Culture Inserts

<h2 dir="ltr">What are Cell Culture Inserts?</h2>
 Cell culture inserts (also called Transwell inserts or permeable supports) are sterile, single-use polystyrene well inserts with a permeable membrane floor that suspend cells above the bottom of a standard multi-well plate, creating separate apical (upper, inside insert) and basolateral (lower, outside insert in the well below) compartments. The membrane allows diffusion of media, nutrients, metabolites, and signaling molecules between the two compartments while physically separating the two cell populations.&nbsp;Choose PET membranes for imaging and clear-bottom visualization; choose PC membranes for superior cell attachment; choose pore size based on whether cells need to migrate through the membrane (&ge;3 &micro;m) or be retained on it (0.4 &micro;m and 1 &micro;m).
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" style="color: #000000;" role="presentation">6 Inserts / 6-Well Plate for Tissue Engineering - Ideal for skin models and complex cell differentiation where a larger surface area is required.</li>
<li dir="ltr" style="color: #000000;" role="presentation">12 Inserts / 12-Well Plate for Transport Assays - Balanced format for nutrient diffusion studies and metabolic monitoring.</li>
<li dir="ltr" style="color: #000000;" role="presentation">12 Inserts / 24-Well Plate for&nbsp;High Throughput Screening - Designed for migration and chemotaxis assays with efficient reagent use.</li>
<li style="color: #000000;">SPLInsert&trade; Hanging formats with transparent, sterile PC or PET membranes.</li>
<li style="color: #000000;">SPLInsert&trade; Standing format for cell culture insert applications.</li>
<li style="color: #000000;">100 mm cell culture insert dishes with 3.0 &mu;m PC membranes, translucent construction, tissue-culture treatment, and sterile packaging.</li>
</ul>
&nbsp;
<h2 dir="ltr">How to Choose Cell Culture Inserts</h2>
 PET vs. PC Membrane PET (polyethylene terephthalate) membranes are optically transparent, allowing direct visualization of cells growing on the membrane by standard phase-contrast and fluorescence microscopy without removing the insert. PET is the first choice when imaging cells on the membrane is part of the experimental readout (tight-junction immunofluorescence, GFP localization, wound-healing on the membrane). PC (polycarbonate) membranes provide superior cell attachment due to their higher surface energy &mdash; often used for primary epithelial, endothelial, and intestinal cells that are difficult to culture on PET. PC membranes are opaque, blocking transmitted light microscopy through the membrane. Pore Size by Application 0.4 &micro;m pore inserts prevent cell migration and cell-cell contact between apical and basolateral compartments while allowing free diffusion of molecules &lt;0.4 &micro;m (nutrients, cytokines, small molecules, metabolites). Standard for epithelial barrier function assays (TEER measurement, permeability assays), secretion studies (measuring cytokine secretion from the basolateral side), and any co-culture where cell-cell contact must be prevented. 1 &micro;m pore inserts similarly prevent cell migration but allow slightly larger molecule diffusion &mdash; used for exosome transport studies. 3 &micro;m pore inserts allow poorly migratory cells (some endothelial, fibroblast lines) to migrate through. 8 &micro;m pore inserts support tumor cell migration, invasion, chemotaxis, and hematotaxis assays &mdash; the standard pore size for Boyden chamber&ndash;style migration and invasion assays. Plate Format and Insert Configuration NEST Scientific inserts are pre-packed in multi-well plates: 6-well plate format (6 inserts per plate), 12-well plate format (12 inserts per plate), 24-well plate format (12 inserts per plate). Inserts are centered in wells by their flange geometry, preventing the membrane from touching the well sides and creating a wicking path. The apical-basolateral gap (distance from membrane floor to well bottom) is designed to allow media access to the basolateral face and pipette access to the lower chamber for sampling. TC-Treated vs. Non-Treated Membrane TC-treated membrane inserts promote adherent mammalian cell monolayer formation on the insert membrane. Non-treated membrane inserts (some PC formats) are used for migration and invasion assays where cells in the apical chamber must actively migrate through the membrane pore to reach the basolateral side &mdash; a non-treated surface reduces passive cell adhesion that would produce false-positive migration signals. Transferability NEST Scientific cell culture inserts can be transferred from one plate to a fresh plate for media changes, cumulative secretion studies, and time-course experiments &mdash; a key advantage over the non-insert well format. Transfer the insert using sterile forceps or the insert flange. 
<h2 dir="ltr"> Specifications Context</h2>
 NEST Scientific cell culture inserts are manufactured from polystyrene with PET or PC membranes in TC-treated (vacuum plasma, contact angle &lt;10&deg;) or non-treated formats. Inserts are packed in individually sealed, peelable Tyvek film and blister packaging for sterility assurance &mdash; one plate per pack, sterile. E-beam sterilized to SAL 10⁻⁶; DNase/RNase-free and non-pyrogenic per lot. The insert flange geometry is designed to center the insert in the well, preventing membrane-wall contact and wicking. NEST Scientific cell culture inserts in PET and PC membranes across the four pore sizes (0.4, 1, 3, 8 &micro;m) and three plate formats (6-, 12-, 24-well) are available from MBP. 
&nbsp;
Bridge the gap between routine culture and physiological discovery. Optimize your laboratory procurement with&nbsp;Molecular Biology Products Inc. <a href="https://mbpinc.net/contact-us">Connect with our specialists</a> for a customized quote today.

Datsheet

Cell Culture Insert Specifications

6 Cell Culture Inserts+6 Well Plate Specifications

6 Cell Culture Inserts+6 Well Plate, PC Membrane

723101 by NEST Scientific is a kit of 6 polycarbonate (PC) cell culture inserts pre-seated in a 6-well receiver plate, with a 0.4 µm pore size, TC-treated transparent membrane, and sterile packaging in peelable Tyvek blister packs. The 0.4 µm pore blocks cell transmigration while permitting small-molecule transport for TEER, barrier function, and co-culture studies. Ships 6 inserts per kit, 24 kits per case.

6 Cell Culture Inserts+6 Well Plate, 0.4 μm, PC Membrane, Opaque, TC, Sterile, 6/pk, 24/cs

6 Cell Culture Inserts+6 Well Plate, 3.0 μm, PC Membrane, Translucent, TC, Sterile, 6/pk, 24/cs

6 Cell Culture Inserts+6 Well Plate, 8.0 μm, PC Membrane, Translucent, TC, Sterile, 6/pk, 24/cs

6 Cell Culture Inserts+6 Well Plate, 0.4 μm, PC Membrane, Opaque, Non-Treated, Sterile, 6/pk, 24/cs

6 Cell Culture Inserts+6 Well Plate, 3.0 μm, PC Membrane, Translucent, Non-Treated, Sterile, 6/pk, 24/cs

6 Cell Culture Inserts+6 Well Plate, 8.0 μm, PC Membrane, Translucent, Non-Treated, Sterile, 6/pk, 24/cs

6 Cell Culture Inserts+6 Well Plate, PET Membrane

NEST Scientific 723121: 6 hanging cell culture inserts with 0.4 µm TC-treated transparent PET membrane, pre-loaded in a 6-well companion plate. Sterile. PET transparency enables direct fluorescence imaging through the membrane. Order at <a href="https://www.mbpinc.net/quickorder">mbpinc.net/quickorder</a>.

6 Cell Culture Inserts+6 Well Plate, 0.4 μm, PET Membrane, Opaque, TC, Sterile, 6/pk, 24/cs

6 Cell Culture Inserts+6 Well Plate, 1.0 μm, PET Membrane, Opaque, TC, Sterile, 6/pk, 24/cs

6 Cell Culture Inserts+6 Well Plate, 3.0 μm, PET Membrane, Translucent, TC, Sterile, 6/pk, 24/cs

6 Cell Culture Inserts+6 Well Plate, 8.0 μm, PET Membrane, Transparent, TC, Sterile, 6/pk, 24/cs

6 Cell Culture Inserts+6 Well Plate, 0.4 μm, PET Membrane, Opaque, Non-Treated, Sterile, 6/pk, 24/cs

6 Cell Culture Inserts+6 Well Plate, 1.0 μm, PET Membrane, Opaque, Non-Treated, Sterile, 6/pk, 24/cs

6 Cell Culture Inserts+6 Well Plate, 3.0 μm, PET Membrane, Translucent, Non-Treated, Sterile, 6/pk, 24/cs

6 Cell Culture Inserts+6 Well Plate, 8.0 μm, PET Membrane, Transparent, Non-Treated, Sterile, 6/pk, 24/cs

Rollers & Rotators Accessories

<h2>What are rollers and rotators accessories?</h2>
&nbsp;
Rollers and rotators accessories are the interchangeable tube holders, clip assemblies, wheel inserts, and platform adapters that allow a base roller or rotator instrument to securely hold and mix different tube sizes and formats. A single rotator or roller body with the appropriate accessory set can handle blood collection tubes of various sizes, standard 1.5 mL and 2 mL microcentrifuge tubes, 15 mL and 50 mL centrifuge tubes, and bottles of different diameters. Without the correct holder, tubes may not sit securely during rotation, may not be mixed effectively due to poor contact with the roller surface, or may become unsecured and spill during the mixing cycle.
&nbsp;
<h2 dir="ltr">What you will find: </h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Interchangeable Tube Carousels: Specialized discs for holding different diameters of test tubes and vials.
</li>
<li dir="ltr" aria-level="1">
Universal Rotating Plates: Versatile platforms that allow for a mix of clips to be mounted simultaneously.
</li>
<li dir="ltr" aria-level="1">
Replacement Roller Bars: Durable, easy-to-clean bars to maintain or expand the capacity of your tube rollers.
</li>
<li dir="ltr" aria-level="1">
Vessel Clips &amp; Clamps: Secure mounting hardware for larger flasks and specialized containers.
</li>
<li dir="ltr" aria-level="1">
Horizontal &amp; Vertical Tube Holders: Adapters that allow you to change the angle of rotation for specific protocols.
</li>
<li dir="ltr" aria-level="1">
Stacking Kits: Hardware designed to safely tier multiple rotators to save valuable bench space.
</li>
</ul>
&nbsp;
<h2>How to choose rollers and rotators accessories</h2>
&nbsp;
Match tube holder specifications to your exact tube dimensions
Tube holders and clips are designed for specific tube outer diameters and lengths, and a holder designed for one tube format may not securely retain a different tube size. Blood collection tube holders are typically sized to match standard 13 &times; 100 mm or 16 &times; 100 mm Vacutainer-type tubes, while microcentrifuge tube clips hold 1.5 mL and 2 mL tubes by their caps.
Confirm holder compatibility with your specific roller or rotator model
Tube holders and wheel inserts from different manufacturers may not be interchangeable between roller and rotator models, since the mounting mechanism, wheel diameter, and rotation geometry differ. Confirm that the specific accessories you need are listed as compatible with your instrument model before purchase.
Choose the right wheel format for your mixing application
End-over-end rotators typically use a flat wheel with individual tube positions or a drum format with clip-type holders around the perimeter. Wheels with fewer positions hold tubes more securely at higher rotation speed; high-capacity drum formats allow more samples per rotation cycle at the cost of per-position security at higher speeds.
Consider multi-format holder sets for flexibility across tube sizes
Labs mixing different tube sizes benefit from a set of holders covering common formats &mdash; blood tube, microcentrifuge, and conical tube &mdash; allowing the same rotator to be reconfigured for different sample types without separate instruments per format.
Check that the roller surface contact area matches the bottle or tube being mixed
For tube rollers, the tube or bottle must contact both driving rollers simultaneously for uniform rolling. Bottles or tubes much wider or much narrower than the roller spacing may not roll uniformly, and roller spacing adjustment or specific bottle roller inserts that match the bottle diameter are needed to ensure even, controlled rolling.
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<h2>Specifications context</h2>
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Secure tube retention during rotation prevents tubes becoming loose and interrupting mixing. Rotator manufacturers design holders to specific torque and speed limits; exceeding the rated speed risks retention failure. As of 2026, multi-format rotator kits covering blood tubes, microcentrifuge tubes, and 50 mL conical tubes are the standard first accessory purchase, providing flexibility without separate orders per tube type.
Not sure which clip or carousel is compatible with your current hardware? <a href="https://mbpinc.net/contact-us">The MBP team is here to assist</a>&mdash;reach out for a custom quote on the accessories you need.

Roller & Rotator Accessories

6 x 1.5/2.0ml tube holder, pack of 2 (Installed for vertical or horizontal mixing)

R4040-1520 by Benchmark Scientific is a dual-orientation tube holder for 6 x 1.5/2.0mL microtubes, sold as a pack of 2, compatible with the RotoBot Mini (R4040) and RotoBot Standard (R4045). Each holder can be installed for either vertical (end-over-end) or horizontal mixing.

6 x 15ml horizontal rotisserie, 1 ea

R4040-HZ15 by Benchmark Scientific is a horizontal rotisserie attachment that holds 6 x 15mL tubes lying flat, designed for the RotoBot Mini and RotoBot Standard programmable rotating mixers.

Universal Centrifuge Accessories

<h2>What Are Universal Centrifuge Accessories?</h2>
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Universal centrifuge accessories are the interchangeable components that determine the range of applications a universal centrifuge can perform. These include swing-out rotor buckets for blood tubes, conical tubes, microplates, and large bottles; fixed-angle rotors for high-speed pelleting; hematocrit and cytospin rotors; tube adapters; and aerosol-tight bio-containment lids. Selecting the appropriate accessories allows a single centrifuge to support multiple laboratory workflows efficiently and safely.
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<h2 dir="ltr">What you will find:</h2>
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Tube adapters and inserts for compatibility with multi-volume samples&nbsp;
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Fixed-angle and swing-out rotors for varied centrifugation applications
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Lids and sealed buckets for safe and reliable operations
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PCR adapters and microplate carriers for high-throughput workflows
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Centrifuge tubes, holders, and supporting aids for efficient and complete setups
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<h2>How to Choose Universal Centrifuge Accessories</h2>
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Swing-Out Bucket Selection by Application
Choose swing-out buckets according to the sample formats used in your laboratory. Blood tube buckets support routine clinical applications, conical tube buckets are suitable for cell culture and molecular biology, microplate carriers enable high-throughput workflows, and large-bottle carriers accommodate large-volume sample processing.
Fixed-Angle Rotors
Fixed-angle rotors provide higher centrifugal forces for microtube, PCR tube, and small-volume sample processing. Ensure that both the rotor and centrifuge motor specifications support the required operating speeds and sample formats.
Cytospin Clip Rotors
Cytospin rotors are designed for preparing microscope slides from low-cellularity samples such as body fluids. Verify compatibility with the required funnel sizes and use bio-containment features when processing potentially infectious materials.
Bio-Containment Lids
Aerosol-tight lids help contain biological samples during centrifugation and support safe laboratory practices. Regular inspection of sealing components and O-rings ensures reliable containment and long-term performance.
Reducing Adapter Inserts
Adapter inserts allow smaller tubes to fit securely within larger bucket positions. Using properly matched adapters improves balance, prevents movement during operation, and helps maintain consistent centrifugation results.
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<h2>Specifications Context</h2>
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Modern universal centrifuge systems support interchangeable accessory configurations that enable rapid transitions between clinical, research, cell culture, and cytology workflows. Swing-out buckets, fixed-angle rotors, and microplate carriers provide flexibility while maintaining compatibility with a broad range of vessel formats.
Routine inspection and maintenance of accessories, including adapters, lids, and sealing components, help ensure safe operation and extend equipment lifespan. Advances in bio-containment systems and modular rotor designs continue to improve laboratory efficiency and versatility.
Time to upgrade your universal centrifuge accessories. <a href="https://mbpinc.net/contact-us">Contact the expert team </a>of Molecular Biology Products Inc. (MBP) and the find perfect match today.

6 x 250ml angle rotor

Z366-06250 by Hermle is a 6 × 250 ml fixed-angle rotor for the Hermle Z366 and Z366-K universal centrifuges, running at up to 8,000 rpm / 10,016 × g. It processes six 250 ml bottles per run — twice the capacity of the Z366 swing-out rotor — making it the high-throughput option for large-volume cell harvesting, clarification, and pellet-collection workflows. Order using catalog number Z366-06250 at <a href="https://www.mbpinc.net/quickorder">mbpinc.net/quickorder</a> or contact <a href="mailto:customerservice@mbpinc.net">customerservice@mbpinc.net</a>.

6 x 50ml Round rotor (12,000 rpm)

The Z326-0650-HS by Hermle is a 6-position fixed-angle high-speed rotor for 50 ml round-bottom tubes, rated to 12,000 rpm / 13,522 x g. Compatible with Hermle Z326, Z32-HK, Z36-HK, Z446, and Z366 centrifuges. Suited for nucleic acid pellets, virus concentration, and high-speed lysate clarification at 50 ml scale.