Brands

Sample Storage Container

<h2 dir="ltr">What are Urine Collection Products?</h2>
 Urine collection products for laboratory use are containers and preservative systems designed to collect, stabilize, and transport urine specimens for urinalysis (UA), urine culture (C&amp;S), nucleic acid-based testing (NAAT for STIs), cell-free DNA (cfDNA) liquid biopsy, and 24-hour timed collections. Formats include sterile cups (30&ndash;60 mL), preservative tubes (5&ndash;50 mL), vacuum-draw urine transfer tubes, 24-hour collection containers (2&ndash;3 L), and preservative-prefilled devices for ambient-temperature stabilization of DNA, RNA, and proteins. Choose urine collection products with an active preservative when specimens cannot be processed within 2 hours of collection, when samples must be shipped to a centralized lab, or when nucleic acid integrity over 24+ hours is required.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">Sterile urine collection containers for routine diagnostic sampling</li>
<li dir="ltr" role="presentation">Urine transport tubes for secure handling and transfer workflows</li>
<li dir="ltr" role="presentation">Preservative urine tubes for culture and urinalysis stability</li>
<li dir="ltr" role="presentation">Midstream urine collection systems for contamination reduction</li>
<li dir="ltr" role="presentation">24-hour urine collection containers for metabolic testing workflows</li>
<li dir="ltr" role="presentation">Leak-resistant screw-cap urine tubes for safe transport</li>
<li dir="ltr" role="presentation">Graduated urine containers with volume markings for easy measurement</li>
<li dir="ltr" role="presentation">Pediatric urine collection solutions for low-volume sampling</li>
<li dir="ltr" role="presentation">Closed-system urine transfer devices for reduced exposure handling</li>
<li dir="ltr" role="presentation">General laboratory urine collection consumables for research use</li>
</ul>
<h2 dir="ltr"> How to Choose Urine Collection Products</h2>
 Application: Culture vs. NAAT vs. Nucleic Acid Research For culture (C&amp;S), use sterile cups or boric acid preservative tubes. For NAAT (STI panels for Chlamydia, Gonorrhea), use sterile cups or manufacturer-validated transfer tubes; confirm with your platform's IFU (e.g., Hologic Aptima Combo 2 uses a specific urine transport tube). For nucleic acid research (cfDNA, RNA, protein), use dedicated urine preservative tubes (Norgen, Streck) that stabilize analytes for up to 72 hours at room temperature. Volume: Random vs. 24-Hour Collection Random midstream urine (10&ndash;30 mL) is adequate for urinalysis, culture, and NAAT. Timed 24-hour collections (total volume 500&ndash;3000 mL) require large-volume containers with the appropriate preservative for the ordered panel. Mixing 24-hour containers with different preservatives is a common error&mdash;verify the correct preservative type with the laboratory before dispensing to the patient. Preservative Compatibility Boric acid tubes maintain bacterial counts for culture up to 24 hours at room temperature. Boric acid is NOT compatible with NAAT workflows&mdash;it inhibits PCR. For NAAT, use plain sterile containers or manufacturer-specific transfer tubes. For liquid biopsy cfDNA, Streck Cell-Free DNA Urine Preservative maintains cell integrity and prevents genomic DNA contamination for up to 72 hours. Sterility All urine containers intended for culture must be certified sterile. Containers for NAAT must be certified DNase-free and RNase-free to prevent nucleic acid contamination from the container. Confirm sterility and nuclease-free certification in the manufacturer's datasheet before use in molecular workflows. Automated Compatibility For high-throughput labs using automated urine analyzers (Sysmex UF-5000, Siemens CLINITEK), confirm that the collection tube format and cap design are compatible with tube-handling robotics. Copan UriSponge&reg; (FDA-cleared October 2024) is a boric-acid-free device validated for direct loading on WASP&reg; automation systems. 
&nbsp;
<h2 dir="ltr">Specifications Context</h2>
 Standard urine collection cups are manufactured from transparent polypropylene (PP) or polystyrene (PS) with wide-mouth, screw-cap lids. Sterile cups rated for culture meet ISO 7886 and are non-pyrogenic. Boric acid preservative tubes contain approximately 1.8% boric acid, stabilizing bacterial counts by creating a bacteriostatic environment. Norgen urine preservative tubes (5&ndash;50 mL, available in multiple sizes) stabilize DNA, RNA, microRNA, and protein from fresh urine for over 2 years at room temperature per manufacturer validation data. As of 2026, liquid biopsy studies using urine cfDNA routinely use Streck Cell-Free DNA Urine Preservative (3 mL per 30 mL urine) as the standard stabilization protocol in published clinical research protocols. 
Need help picking the right urine collection setup? <a href="https://mbpinc.net/contact-us">Contact MBP</a>, and we&rsquo;ll help you sort it out fast. No confusion, just the right fit for your workflow.

Urine Collection Products

Flyer

Urine Collection Cups for On-Site Collection & Testing

Globe Scientific 5901 — 4 oz (120 mL) sterile polypropylene urine specimen collection cup with ¼-turn leak-resistant screw cap, molded graduations, frosted writing surface, and trilingual patient ID label. Individually wrapped. Suited for clinical urinalysis, drug screening, and point-of-care specimen collection.

Manufacture

Specimen Container, 4oz, with Full Turn Green Attached Screwcap, ID Label, PP, Graduated, Sterile, Individually Wrapped, CS/250

Specimen Container, 4oz, with Full Turn Red Attached Screwcap, ID Label, PP, Graduated, Sterile, Individually Wrapped, CS/250

Specimen Container, 4oz, with Full Turn Green Attached Screwcap, ID Label, PP, Graduated, Cleanroon ISO8 Aseptic Sterile, Individually Wrapped, CS/250

Specimen Container, 4oz, with Full Turn Red Attached Screwcap, ID Label, PP, Graduated, Cleanroom ISO8 Aseptic Sterile, Individually Wrapped, CS/250

Specimen Container, 4oz, with Full Turn Green Separate Screwcap, Frosted Writing Area, Non-Sterile, PP, Graduated, CS/500

Specimen Container, 4oz, with Full Turn Red Separate Screwcap, Frosted Writing Area, Non-Sterile, PP, Graduated, CS/500

<h2>What are Vacuubrand vacuum pumps?</h2>
&nbsp;
Vacuubrand is a German manufacturer specializing in laboratory vacuum pumps and vacuum control systems. It is best known for PTFE-wetted diaphragm pumps, chemistry vacuum systems that combine pumps with electronic controllers, and VARIO speed-regulated technology that automatically adjusts vacuum conditions during solvent evaporation.
&nbsp;
<h2 data-path-to-node="0">What You Will Find:</h2>
&nbsp;
<ul data-path-to-node="1">
<li>
Self-adjusting vacuum systems featuring variable motor speeds that automatically adapt to vapor loads for highly efficient, optimization-free distillations.
</li>
<li>
Compact, oil-free chemistry diaphragm pumps delivering 0.9 CFM flow rates alongside exceptional chemical resistance for clean, low-maintenance laboratory vacuums.
</li>
<li>
High-capacity three-stage chemistry diaphragm pumps providing a robust 2.2 CFM flow rate and deep ultimate vacuum levels for demanding solvent evaporations.
</li>
</ul>
&nbsp;
<h2>How to choose a Vacuubrand vacuum pump</h2>
&nbsp;
Choose the ME series for a standalone PTFE diaphragm pump
The ME series includes single-stage (ME 1) and two-stage (ME 2) PTFE diaphragm pumps. ME 1 is suitable for filtration and basic concentration (~70&ndash;100 mbar), while ME 2 achieves deeper vacuum (~7 mbar) for rotary evaporation and SpeedVac applications.
Choose the PC series for an integrated pump and vacuum controller
The PC series combines a PTFE diaphragm pump with an electronic controller that regulates and displays vacuum levels. This allows precise set-point control for reproducible rotary evaporation without manual adjustment.
Choose VARIO technology for automatic evaporation optimization
VARIO technology automatically adjusts pump speed based on solvent evaporation behavior, optimizing evaporation rate while preventing bumping. It removes the need for manual vacuum control during operation.
Confirm chemical resistance for your application
Vacuubrand diaphragm pumps use PTFE-wetted components, providing broad resistance to organic solvents, acids, and corrosive vapors. Compatibility should still be checked against manufacturer chemical resistance data.
Consider a full chemistry vacuum system for rotary evaporation
Integrated systems (pump + controller + accessories) simplify setup and provide automated vacuum control, reducing the need for individual component selection and calibration.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
Vacuubrand VARIO technology uses speed-controlled pumping to adjust vacuum dynamically during evaporation, tracking solvent boiling behavior as composition changes. This improves efficiency and reduces bumping in rotary evaporation workflows.
As of 2026, Vacuubrand CVC 3000 and VARIO systems remain widely used automated vacuum control solutions in synthetic chemistry and research laboratories.
<a href="https://mbpinc.net/contact-us">Conatct team at MBP</a> for a quick quote.

Vacuubrand Pumps

Vacuubrand MD 1C 0.9 CFM Oil-Free Chemistry Diaphragm Pump 110V

The Vacuubrand MD 1C is an oil-free, three-stage diaphragm vacuum pump designed for continuous, dry, and oil-free vacuum pumping of harsh and corrosive vapors and gases. Its compact design offers high pumping speed and deep ultimate vacuum, making it ideal for chemical and physical laboratory applications. Made with chemically resistant fluoroplastics and PTFE sandwich diaphragms, the MD 1C ensures reliability and extended operating life. The pump also features a gas ballast valve, optimizing it for pumping easily condensable vapors such as high boiling solvents.

Manufacturer

Vacuubrand MD 4C NT 2.2 CFM Chemistry Diaphragm Pump 110V

The Vacuubrand MD 4C NT is a three-stage, oil-free diaphragm vacuum pump designed for continuous pumping of corrosive gases and vapors. Its advanced design offers high pumping speed and very low ultimate vacuum, ideal for demanding applications. Made with chemically resistant fluoroplastics and PTFE sandwich diaphragms, the MD 4C NT ensures reliability and longevity. Featuring a gas ballast valve, it effectively handles condensable vapors from high-boiling solvents, with enhanced performance, easy service, and superior vapor tolerance.\n\n\n\n

Vacuubrand VARIO PC 3001 SELECT 1.2 CFM Self-Adjust Pump 110V

The PC 3001 VARIO select pumping unit offers precise vacuum control for optimal process performance, ideal for high-boiling point solvents. It features an integrated VACUUSELECT controller with an intuitive interface, allowing manual, automated, or custom applications. With a self-adjusting system, this oil-free pump minimizes bumping and foaming, ensuring safety during solvent evaporation. It operates quietly, has a long service life, and includes a built-in solvent recovery system, eliminating the need for cold traps. The pump’s corrosion-resistant design and efficient vapor capture make it environmentally friendly and cost-effective.\n\n\n\n

Vacuum Bottles

<h2 data-section-id="1vcmyco" data-start="0" data-end="27">What Are Vacuum Bottles?</h2>
&nbsp;
Laboratory vacuum bottles are specialized receiver containers designed to withstand vacuum pressure during filtration workflows. They serve as the collection vessel in vacuum filtration systems, capturing filtered solutions immediately after they pass through a membrane filter. Vacuum bottles are commonly used for sterile filtration of cell culture media, biological buffers, aqueous reagents, protein solutions, and other heat-sensitive liquids that cannot be sterilized by autoclaving. They are also widely used as waste collection bottles in cell culture aspiration systems, where vacuum pressure removes spent media and wash solutions from culture vessels.
Unlike standard storage bottles, vacuum bottles are specifically engineered to maintain structural integrity under negative pressure without collapsing, deforming, or leaking during filtration.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
Vacuum aspiration bottles for liquid waste collection
</li>
<li dir="ltr" aria-level="1">
Heavy-duty vacuum bottles for high-pressure lab workflows
</li>
<li dir="ltr" aria-level="1">
Polypropylene vacuum bottles for chemical resistance
</li>
<li dir="ltr" aria-level="1">
HDPE vacuum bottles for general laboratory use
</li>
<li dir="ltr" aria-level="1">
Autoclavable vacuum-compatible bottles for sterile workflows
</li>
<li dir="ltr" aria-level="1">
Wide-mouth vacuum bottles for easy cleaning and filling
</li>
</ul>
&nbsp;
<h2 data-section-id="16tksnx" data-start="1015" data-end="1046">How to Choose Vacuum Bottles</h2>
&nbsp;
Membrane Type and Pore Size
When selecting a vacuum filtration system, membrane choice is often the most important factor. Polyethersulfone (PES) membranes provide high flow rates and low protein binding, making them the preferred option for cell culture media, buffers, and most biological solutions. Polyvinylidene fluoride (PVDF) membranes offer broader chemical compatibility and are often selected for solutions containing detergents or certain organic compounds.
For sterile filtration, a 0.22 &micro;m membrane is the standard choice because it effectively removes bacteria and other contaminants. A 0.45 &micro;m membrane is generally used for clarification, particulate removal, and HPLC mobile phase preparation rather than sterile applications.
System Volume
Vacuum filtration systems are commonly available in capacities ranging from 150 mL to 1000 mL. Smaller volumes are suitable for routine laboratory preparations, while 500 mL and 1000 mL systems are widely used for larger batches of media and buffer preparation. Matching bottle size to the expected filtration volume helps maximize efficiency and minimize handling steps.
Receiver Bottle Material
Polystyrene (PS) receiver bottles are commonly supplied with complete single-use vacuum filtration systems because they provide excellent clarity for monitoring liquid levels during filtration. PETG receiver bottles offer enhanced durability and broader temperature compatibility, making them suitable when filtered solutions may be stored at refrigerated or freezer temperatures after filtration.
Sterility Requirements
Most complete vacuum filtration systems are supplied sterile and individually packaged for immediate use. When purchasing replacement receiver bottles separately, laboratories should verify sterility specifications if the bottles will be used for sterile media or reagent storage after filtration.
Thread Compatibility
Many vacuum filtration systems utilize standardized GL45 threaded connections that allow compatibility between filtration funnels, receiver bottles, and related accessories. Confirming thread compatibility is important when combining components from different product lines or manufacturers.
&nbsp;
<h2 data-section-id="1jl751w" data-start="3787" data-end="3812">Specifications Context</h2>
&nbsp;
Modern vacuum filtration systems are typically supplied with PES or PVDF membrane options and are available in configurations ranging from 150 mL to 1000 mL. Many systems utilize GL45-threaded receiver bottles that integrate with standard laboratory filtration accessories and media bottle systems. Angled hose-barb vacuum connectors have become standard across most product lines because they accommodate a wide range of vacuum tubing sizes without requiring additional adapters. As of 2026, vacuum filtration remains the preferred method for sterile preparation of heat-sensitive biological solutions in research, pharmaceutical, biotechnology, and clinical laboratories.
<a href="https://mbpinc.net/contact-us">Connect with the MBP team today</a> and find the perfect vacuum-rated solution for your laboratory&rsquo;s daily demands.

Vacuum Bottles & Aseptic Transfer Caps

Globe Scientific 7081000 heavy-duty 1 L PP vacuum bottle, 53 mm white PP cap with TPE gasket. USP Class VI PP; holds vacuum up to 24 hours at 20°C; autoclavable. Bottle OD 118 mm; neck ID 38.5 mm; 2 mm min wall. Compatible aseptic transfer cap: 70953CAP. Case of 12 or bag of 2.

Vacuum Bottle, Heavy Duty, PP, 1 Liter, 2/Pack, CS/12

Vacuum Bottle, Narrow Mouth, Heavy Duty PP Bottle, White PP 53mm Screw Cap, 2 Litres (0.5 Gallons), 2/Pack, CS/12

Vacuum Bottle, Narrow Mouth, Heavy Duty PP Bottle, White PP 83mm Screw Cap, 4 Litres (1.0 Gallons) , CS/6

Vacuum Bottle, Narrow Mouth, Heavy Duty HDPE Bottle, White PP 53mm Screw Cap, 2 Litres (0.5 Gallons), 2/Pack, CS/12

Vacuum Bottle, Narrow Mouth, Heavy Duty HDPE Bottle, White PP 83mm Screw Cap, 4 Litres (1.0 Gallons) , CS/6

Filling and Venting Closure for Vacuum Bottle, White PP, 53mm, EA

Filling and Venting Closure for Vacuum Bottle, White PP, 83mm, EA

<h2>What are pressing dies?</h2>
&nbsp;
Pressing dies are the precision-machined tooling inserted into a laboratory press that define the size and shape of a pressed pellet or disc, typically consisting of a cylindrical barrel, a bottom punch or anvil, a top punch, and sometimes an evacuable port. The die determines the pellet diameter, the achievable pressure per unit area at a given press force, and the surface finish quality of the pressed pellet. Standard die sizes are 13 mm for FTIR KBr pellets and 25, 32, or 40 mm for XRF pressed powder pellets, with stainless steel for most applications and tungsten carbide for trace element work where steel contamination must be avoided.
&nbsp;
<h2>What you will find:</h2>
&nbsp;
<ul>
<li>Square Easy Retrieve Dry Pressing Die Set</li>
<li>Cylindrical Easy Retrieve Dry Pressing Die Set</li>
<li>Evacuable Pellet Die Set</li>
<li>Mini Pellet Press Die Set</li>
<li>Hydraulic Press Die Accessories</li>
<li>Pellet Pressing Die Components</li>
</ul>
&nbsp;
<h2>How to choose pressing dies</h2>
&nbsp;
Match die diameter to your analytical instrument's sample holder
The 13 mm die is standard for FTIR spectrometers where the 13 mm pellet fills the aperture of the sample holder, while XRF instruments use 25, 32, or 40 mm diameter cups depending on the specific spectrometer model and cup type. Confirming the required pellet diameter from your instrument's user manual or sample cup dimensions prevents ordering the wrong die size.
Choose evacuable dies for cleaner FTIR pellets in humid environments
An evacuable die includes a vacuum port and o-ring sealed barrel that allows the die contents to be evacuated with a vacuum pump before and during pressing, removing air and moisture from the KBr-sample mixture. This produces pellets with reduced water absorption backgrounds in the FTIR spectrum, important for trace amount analysis where water vapor bands could obscure analyte peaks.
Choose tungsten carbide (WC) dies for trace element XRF analysis
Stainless steel dies contain iron, chromium, and nickel that can contaminate pressed pellets at trace levels detectable by XRF, while tungsten carbide dies introduce only tungsten and carbon, which are not typically analytes in environmental or geological XRF work. For trace element XRF analysis, WC dies are required to avoid systematic contamination of pressed pellet surfaces from the die.
Confirm die compatibility with your press model
Die sets must be compatible with the bore dimensions and plate geometry of the specific press. Confirm that the die outer diameter matches the press die seat before purchase, since dies and presses from different manufacturers may not be interchangeable.
Maintain dies correctly to preserve pellet surface quality
Scratches or pitting on die surfaces transfer defects to pressed pellets, reducing optical quality for FTIR or surface flatness for XRF. Regular gentle cleaning and periodic polishing with fine alumina paste on punch faces maintains die surface quality.
&nbsp;
<h2>Specifications context</h2>
&nbsp;
The pressure applied to the sample equals press force divided by die area: a 10-ton press through a 13 mm die produces approximately 700 MPa, while the same force through a 40 mm die produces approximately 75 MPa. Producing the same pellet density in a larger die therefore requires proportionally more force, and a press adequate for 13 mm FTIR pellets may not deliver sufficient compaction for 40 mm XRF dies.
<a href="https://mbpinc.net/contact-us">Request a quote today from the expert team at Molecular Biology Products Inc. (MBP)</a> to find the right pressing dies for your lab.

Pressing Dies

Vacuum Dry Pressing Die Set Specifications

Vacuum Dry Pressing Die Set

A set of hardened steel Vacuum dry pressing die set for pellet presses, are ready for you to make cylinder-shape pellets in a vacuum condition. These pressing die sets are available in different sizes ranging from 6mm to 50mm diameter.\r\n\r\n

6mm Diameter ID Vacuum Dry Pressing Die Set

13mm Diameter ID Vacuum Dry Pressing Die Set

25mm Diameter ID Vacuum Dry Pressing Die Set

50mm Diameter ID Vacuum Dry Pressing Die Set

Vacuum Filtration

<h2 dir="ltr">What are Vacuum Bottle-Top Filter Systems?</h2>
 Vacuum bottle-top filter systems are single-use, sterile filtration assemblies consisting of a graduated polystyrene funnel with an integrated membrane filter bonded to a polystyrene receiver bottle, connected by a hose-port adaptor to a house vacuum line or benchtop vacuum pump. The applied negative pressure (&minus;50 to &minus;100 kPa) draws liquid through the membrane into the receiver bottle, which is sealed after filtration for immediate use or cold-room storage.&nbsp;
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
50mL Vacuum Filtration Units for small-scale sterile sampling
</li>
<li dir="ltr" aria-level="1">
150mL Vacuum Filtration Systems for rapid reagent preparation
</li>
<li dir="ltr" aria-level="1">
250mL Filtration Units for routine buffer sterilization
</li>
<li dir="ltr" aria-level="1">
500mL Vacuum Filtration Cups for mid-scale media processing
</li>
<li dir="ltr" aria-level="1">
1000mL Large Volume Filtration for industrial-scale batching
</li>
<li dir="ltr" aria-level="1">
Sterile Bottle-Top Filters for secure aseptic transfer
</li>
</ul>
<h2 dir="ltr"> How to Choose Vacuum Filtration Systems</h2>
 PES vs. PVDF Membrane for Vacuum Filtration PES membranes provide low protein binding (~1&ndash;2 &micro;g/cm&sup2;), high flow rates, and broad aqueous-solution compatibility &mdash; the standard for routine DMEM, RPMI, HBSS, PBS, and supplement-containing media sterilization. PVDF membranes have slightly lower protein binding than PES and greater chemical resistance to mild organic solvents, mild acids, and alkaline solutions. Use PVDF when filtering protein-rich solutions (FBS, antibody preparations, conditioned medium with high protein content) or when mild organic solvents are present in the filter solution. Volume Selection 250 mL systems (50 mm diameter membrane, 50 mL funnel) suit small media aliquots, supplement solutions, and transfection reagent preparations. 500 mL systems (90 mm diameter membrane, 150 mL funnel) are the routine lab workhorse for standard 500 mL media bottle preparation and FBS filtration. 1,000 mL systems (90 mm diameter membrane, 350 mL funnel) handle full-liter media preparations and large-volume buffer sterilization. All NEST systems include a pre-attached, graduated polystyrene receiver bottle in the corresponding volume. Pore Size: 0.10 &micro;m vs. 0.22 &micro;m vs. 0.45 &micro;m 0.22 &micro;m is the sterilizing grade per USP &lt;1229.2&gt; and ICH Q9: retains all bacteria and fungi; used for routine cell culture media, PBS, and buffer preparation. 0.45 &micro;m is the clarification grade: used as a pre-filtration step before 0.22 &micro;m to remove large particulates from turbid or high-biomass samples (FBS, conditioned media, cell culture supernatants, crude lysates), extending 0.22 &micro;m filter throughput by 3&ndash;5&times; on difficult samples. 0.10 &micro;m is the mycoplasma-removal grade: required when preparing media for Mycoplasma-sensitive primary cell culture or when processing serum or supplementary reagents that may harbor Mycoplasma species. Note that 0.10 &micro;m filtration is substantially slower than 0.22 &micro;m due to the tighter membrane pore structure. Practical Tips for Maximum Throughput Pre-wet the membrane by briefly passing 5&ndash;10 mL of sterile water through before the sample &mdash; this wets the hydrophilic PES or PVDF membrane and reduces initial resistance. For FBS and other viscous solutions, pre-filter through 0.45 &micro;m before the 0.22 &micro;m step. Maintain a vacuum at &minus;50 to &minus;80 kPa; excessive vacuum (&gt; &minus;100 kPa) can shear fragile membrane pores and increase non-specific protein adsorption. Do not autoclave the assembled bottle-top filter &mdash; PES and PS components are not rated for autoclave sterilization. 
<h2 dir="ltr"> Specifications Context</h2>
 NEST Scientific vacuum bottle-top filters are manufactured from polystyrene funnel and receiver bottle components with PES or PVDF membranes. PES membranes have documented low protein binding (~1&ndash;2 &micro;g/cm&sup2;) per NEST scientific USA FAQ. Membrane diameter: 250 mL volume &rarr; 50 mm; 500 mL and 1,000 mL &rarr; 90 mm. The hose connector design accommodates various standard vacuum hose diameters. NEST PES 0.22 &micro;m vacuum filters are described as comparable in performance to leading brands, including Corning Stericup, Thermo Fisher Scientific, and Sartorius, per NEST Scientific USA's product page. All NEST vacuum filters are sterile and non-pyrogenic per the lot certificate. NEST Scientific vacuum bottle-top filters are stocked by MBP in all core SKUs. 
&nbsp;
Because your research should move faster than a slow-dripping filter. <a href="https://mbpinc.net/contact-us" title="Contact the Molecular Biology Products Inc. team" style="color: #236fa1;">Contact the Molecular Biology Products Inc. team</a> for a quote before your deadlines catch up with you.

Datsheet

Vacuum Filtration Systems  (PES Membrane)

Vacuum Filtration Systems, PES, Sterile

347002 by NEST is a sterile, disposable vacuum filtration system with a PES membrane. Available in five volumes (50–1000 mL) and three pore sizes (0.10 µm, 0.22 µm, 0.45 µm) as selectable variants. Polystyrene USP Grade IV cup with ABS neck, E-beam sterilized to SAL 10⁻⁶. Non-pyrogenic, DNase/RNase-free, animal product-free. 12/case.

50 mL Vacuum Filtration, 0.10 μm, PES, Sterile, 1/pk, 12/cs

50 mL Vacuum Filtration, 0.22 μm, PES, Sterile,1/pk, 12/cs

50 mL Vacuum Filtration, 0.45 μm, PES, Sterile, 1/pk, 12/cs

150 mL Vacuum Filtration, 0.10 μm, PES, Sterile, 1/pk, 12/cs

150 mL Vacuum Filtration, 0.22 μm, PES, Sterile,1/pk, 12/cs

150 mL Vacuum Filtration, 0.45 μm, PES, Sterile, 1/pk, 12/cs

250 mL Vacuum Filtration, 0.10 μm, PES, Sterile, 1/pk, 12/cs

250 mL Vacuum Filtration, 0.22 μm, PES, Sterile, 1/pk, 12/cs

250 mL Vacuum Filtration, 0.45 μm, PES, Sterile, 1/pk, 12/cs

500 mL Vacuum Filtration, 0.10 μm, PES, Sterile, 1/pk, 12/cs

500 mL Vacuum Filtration, 0.22 μm, PES, Sterile, 1/pk, 12/cs

500 mL Vacuum Filtration, 0.45 μm, PES, Sterile, 1/pk, 12/cs

1000 mL Vacuum Filtration, 0.10 μm, PES, Sterile, 1/pk, 12/cs

1000 mL Vacuum Filtration, 0.22 μm, PES, Sterile, 1/pk, 12/cs

1000 mL Vacuum Filtration, 0.45 μm, PES, Sterile, 1/pk, 12/cs

Vacuum Filtration Systems (PVDF Membrane)

Vacuum Filtration Systems, PVDF, Sterile

347102 by NEST Scientific is a sterile disposable vacuum filtration system with a PVDF membrane, E-beam sterilized (SAL 10⁻⁶), DNase/RNase-free, and endotoxin-free. The PVDF membrane offers low protein binding and high flow rates for cell culture media sterilization, buffer filtration, and protein solution processing. PS filter top and PS receiving bottle with ABS neck; separate sterile PE cap included. Multiple volume options available.

50 mL Vacuum Filtration, 0.10 μm, PVDF, Sterile, 1/pk, 12/cs

50 mL Vacuum Filtration, 0.22 μm, PVDF, Sterile, 1/pk, 12/cs

50 mL Vacuum Filtration, 0.45 μm, PVDF, Sterile, 1/pk, 12/cs

150 mL Vacuum Filtration, 0.10 μm, PVDF, Sterile, 1/pk, 12/cs

150 mL Vacuum Filtration, 0.22 μm, PVDF, Sterile, 1/pk, 12/cs

150 mL Vacuum Filtration, 0.45 μm, PVDF, Sterile, 1/pk, 12/cs

250 mL Vacuum Filtration, 0.10 μm, PVDF, Sterile, 1/pk, 12/cs

250 mL Vacuum Filtration, 0.22 μm, PVDF, Sterile, 1/pk, 12/cs

250 mL Vacuum Filtration, 0.45 μm, PVDF, Sterile, 1/pk, 12/cs

500 mL Vacuum Filtration, 0.10 μm, PVDF, Sterile, 1/pk, 12/cs

500 mL Vacuum Filtration, 0.22 μm, PVDF, Sterile, 1/pk, 12/cs

500 mL Vacuum Filtration, 0.45 μm, PVDF, Sterile, 1/pk, 12/cs

1000 mL Vacuum Filtration, 0.10 μm, PVDF, Sterile, 1/pk, 12/cs

1000 mL Vacuum Filtration, 0.22 μm, PVDF, Sterile, 1/pk, 12/cs

1000 mL Vacuum Filtration, 0.45 μm, PVDF, Sterile, 1/pk, 12/cs

Vacuum filtration unit, membrane: PES, pore size: 0.22um, diameter: 90mm, funnel volume: 500ml, receiver volume: 500ml.

Vacuum filtration unit, membrane: CA, pore size: 0.22um, diameter: 90mm, funnel volume: 500ml, receiver volume: 500ml.

Vacuum Filtration Unit, Membrane

Biologix Vacumfil VS Competitors DMEM culture media PES 0 22μm

Vacuum Filtration Unit, Membrane, PES

Vacuum Filtration Unit, Membrane, PES, pore size: 0.22um, 1/Pack, 12/Case\r\n

Brand

Model

BIOLOGIX STERILE VACUUM FILTRATION UNIT, MEMBRANE: PES,PORE SIZE: 0.22ΜM,DIAMETER:90MM, FUNNEL VOLUME: 500ML, RECEIVER VOLUME: 500ML. INDIVIDUALLY PACKED

BIOLOGIX STERILE ,VACUUM FILTRATION UNIT-FUNNEL, MEMBRANE: CA,PORE SIZE: 0.22ΜM,DIAMETER:90MM, FUNNEL VOLUME: 500ML, RECEIVER VOLUME: 500ML.   INDIVIDUALLY PACKED

<h2 dir="ltr">What are ELISA, incubation, and storage films?</h2>
 ELISA, incubation, and storage sealing films are adhesive polyester (PET) or polypropylene (PP) sheets applied over 96- and 384-well plates to seal each well during enzyme immunoassays, incubation, and short-term sample storage. By securing every well rather than loosely covering the plate, they eliminate evaporation-driven "edge effects" that skew optical density readings at the plate's perimeter. Most are non-pierceable, certified DNase- and RNase-free, and available sterile or non-sterile. Buy from this category for plate-based immunoassays and benchtop incubation where a secure, residue-clean seal matters more than gas exchange or a freezer rating.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" aria-level="1">
ELISA plate sealing films for immunoassay workflows
</li>
<li dir="ltr" aria-level="1">
Incubation films for controlled laboratory reactions
</li>
<li dir="ltr" aria-level="1">
Short-term storage films for microplate protection
</li>
<li dir="ltr" aria-level="1">
Adhesive sealing films for secure plate closure
</li>
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Optical clear films for absorbance and fluorescence detection
</li>
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Non-pierceable barrier films for contamination control
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Heat-stable films for incubation conditions
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Low-evaporation films for improved assay consistency
</li>
</ul>
<h2 dir="ltr"> How to choose ELISA and incubation films</h2>
 Match the film to your plate resin
Polyester films seal both polystyrene and polypropylene plates; polypropylene films offer superior barrier properties and pair best with PP plates for lower evaporation during longer incubations. 
Confirm sterile vs non-sterile
Choose sterile films for cell-containing or biohazard-containment work and non-sterile films for routine ELISA; both are commonly certified DNase-/RNase-free for molecular compatibility.
Pick the format for how you access wells
Full sheets seal whole plates; 1&times;8 and 2&times;8 mini-strips seal one or two rows when you need to protect or access wells selectively; pre-scored rolls are economical for high-throughput sealing.
Check the temperature range
Standard polyester films hold a seal from roughly &minus;40 &deg;C to +120 &deg;C, covering incubation and short-term storage, but not &minus;80 &deg;C archival freezing; for that, use a cold storage film
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<h2 dir="ltr">Specifications context</h2>
 A typical sheet measures about 79.4 &times; 146.1 mm with a 50 &micro;m polyester base and a 25 &micro;m acrylic adhesive; thinner 25 &micro;m films are clearer and marginally pierceable for sample recovery. Non-pierceable films give the most secure barrier for incubation. For sensitive immunoassays, DNase-/RNase-free certification prevents background interference. Some sheets include perforated end tabs that can be removed or wrapped over the plate edge for extra hold during longer incubations.&nbsp; 
&nbsp;
For specifications, compatibility details, or bulk supply options, <a href="https://mbpinc.net/contact-us">connect with the MBP team </a>and get the right sealing solution matched to your ELISA and incubation workflow.

Elisa/Incubation/Storage Film

ValuSeal™, General laboratory use, short-term storage, incubation and ELISA, -40°C to +120°C, 100 Sealing Films/Pack

ValuSeal™ (SP-VS-100) by MBP features smaller dimensions and a single non-perforated end-tab for cost-effective microplate sealing. Protects samples from evaporation, external contamination, dust, and particulates. Listed for general laboratory use, short-term storage, incubation, and ELISA. &minus;40&deg;C to +120&deg;C. 100 films/pack. Ships ambient.

Application

Temperature Range

BioFactory Accessories

<h2 dir="ltr"> What are Accessories for NEST BioFactory&trade; Systems?</h2>
 NEST BioFactory&trade; accessories are the replacement caps, silicone tubing, vent filters, overcaps, and pre-assembled closed-system cap assemblies used to configure BioFactory units for closed aseptic liquid transfer, gas exchange management, and multi-unit serial connections in cGMP and research-scale bioprocess workflows. The accessory set enables the BioFactory narrow-mouth cap to function as a closed-system liquid transfer port &mdash; media, wash buffer, trypsin, and cell harvest supernatant are transferred in and out through the silicone tubing connection without opening the vessel. Accessories for the BioFactory are required when operating the BioFactory as a closed system; for simple open-pour workflows using wide-mouth caps, standard vent and plug seal caps are the only accessories needed.
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<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
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BioFactory media transfer caps
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Sterile tubing and connector sets
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Fluid transfer adapters for cell culture vessels
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BioFactory bottle caps and closures
</li>
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Sterile quick-connect systems
</li>
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Liquid handling accessories
</li>
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Vessel handling and support tools
</li>
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Closed-system connectors for aseptic processing
</li>
</ul>
<h2 dir="ltr"> Key BioFactory Accessory Categories</h2>
 BioFactory Cap with Silicone Tube (CPC or Luer Connector) The BioFactory cap with silicone tube is the primary closed-transfer accessory: an adaptor cap that fits the narrow-mouth port of the BioFactory unit, pre-assembled with 80 cm of silicone tubing and a terminal connector &mdash; either a male CPC (clamped pressure connector / quick-connect) or a standard Luer lock &mdash; for coupling to peristaltic pumps, other BioFactory units, centrifuge tubes, or PETG media bottle assemblies. Two tubing I.D. &times; O.D. configurations are available: 1/4" I.D. &times; 3/8" O.D. and 3/8" I.D. &times; 5/8" O.D., covering standard peristaltic pump head bore sizes. The female sealing cap included with each assembly caps the connector between uses, maintaining sterility. Overcaps: Vented and Solid Overcaps are secondary dust and contamination barriers placed directly on top of the BioFactory adaptor caps during culture incubation. The vented overcap contains a 0.22 &micro;m hydrophobic breathable membrane, allowing gas exchange through the cap stack while blocking particles and microbial contamination &mdash; used during active shaker or orbital incubation when the unit's primary cap is an adaptor cap rather than a vented cap. The solid overcap provides an additional dust and contamination seal with no gas exchange &mdash; used for short-term storage or transport outside the incubator. SPT-50 Silicone Hose SPT-50 silicone hose (3/8" I.D. &times; 5/8" O.D., 50 inches / 15 meters) is the bulk tubing used to connect multiple BioFactory units in series, connect BioFactory ports to peristaltic pump heads, or extend the reach of the transfer cap assembly. SPT-50 tubing is manufactured from silicone, is individually wrapped and sterile, and passes dissolution testing per BPOG (BioPhorum Operations Group) criteria per NEST product documentation, supporting its use in biopharmaceutical production environments. Premium Accessory Package NEST offers a BioFactory Accessory Premium Package that includes 2 different adaptor caps, 1 hose clamp, 1 adaptor connector, 1 vent filter (50 mm), 1 additional hose clamp, and 15 m of SPT-50 silicone hose &mdash; all individually wrapped and sterile in a single kit. This package provides all components needed to set up a closed-system BioFactory media management workflow from a single kit, reducing the number of individual part orders required. Vent Filters for Gas Exchange Management For BioFactory units using adaptor caps rather than standard vented caps, 50 mm inline vent filters (0.22 &micro;m hydrophobic PTFE membrane) are installed on the air inlet/outlet tubing line to maintain sterile gas exchange during media addition, harvest, and incubation. The vent filter is rated for high flow rates without creating excessive back-pressure that would resist liquid movement through the system. Compatibility: Narrow-Mouth BioFactory Units Only All BioFactory accessory caps and tubing assemblies are designed exclusively for the narrow-mouth BioFactory configuration. Wide-mouth BioFactory units use standard wide-mouth vent and plug seal caps only; they are not compatible with accessory cap assemblies. Confirm that your BioFactory units have narrow-mouth ports before ordering the accessory cap set. 
<h2 dir="ltr"> Specifications Context</h2>
 NEST BioFactory&trade; accessory silicone tubing and cap assemblies are manufactured from USP Class VI silicone (TPE/silicone) and polycarbonate or PP cap bodies, individually wrapped and sterile. All components have passed dissolution testing per BPOG dissolution test criteria conducted by a certified third-party laboratory per NEST Scientific documentation. The standard Luer head connections conform to ISO 594 / GB/T 1962 for reliable compatibility with standard laboratory fittings. Vent filters use a 0.22 &micro;m hydrophobic PTFE membrane; overcaps use a 0.22 &micro;m hydrophobic membrane. NEST BioFactory accessories are carried by MBP alongside BioFactory units. 
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Need the right BioFactory setup? <a href="https://mbpinc.net/contact-us" style="color: #236fa1;">Contact MBP today</a> for technical assistance.

Biofactory System Accessories

Product Literature

Vent Filter Specifications

Vent Filter，0.22 μm, Individually Wrapped, Sterile, 1/pk, 5/cs

NEST 742001: 0.22 &mu;m vent filter, 62 mm diameter, sterile, individually wrapped. Provides sterile gas exchange on NEST BioFactory systems and Erlenmeyer flask cap assemblies. 1/pk, 5/cs.

Vent Filter，0.22 μm，62 mm diameter, Individually Wrapped, Sterile, 1/pk, 5/cs

Vent Filter，0.22 μm，56 mm diameter, Individually Wrapped, Sterile, 1/pk, 5/cs

<h2 data-section-id="1hv97bw" data-start="0" data-end="47">What Are Laboratory Storage Boxes and Racks?</h2>
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Laboratory storage boxes and racks are essential organizational systems used to store, organize, and protect cryogenic vials, microcentrifuge tubes, centrifuge tubes, and microscope slides across freezers, cold rooms, and benchtop environments. Storage boxes are typically lidded, grid-based containers used for long-term sample organization in ultra-low temperature conditions, while racks are open-frame supports used for active handling during laboratory workflows such as pipetting, vortexing, and reaction setup.
Cryogenic storage boxes are commonly designed to hold 81 vials (9&times;9 format) or 100 vials (10&times;10 format), and are compatible with storage conditions ranging from &ndash;196 &deg;C in liquid nitrogen vapor phase to +121 &deg;C for autoclave sterilization (depending on material). Tube racks, on the other hand, provide stable upright positioning of tubes during active benchwork and are not primarily intended for long-term freezer storage.
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
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Cryogenic storage boxes for vials and microtubes
</li>
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Freezer storage boxes for -20&deg;C and -80&deg;C applications
</li>
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PCR tube racks for 0.2 mL tubes and strips
</li>
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Microcentrifuge tube racks for 0.5 mL to 2 mL tubes
</li>
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Polypropylene (PP) autoclavable storage boxes
</li>
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Stackable storage boxes for space-saving organization
</li>
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Hinged lid storage boxes for secure sample protection
</li>
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Color-coded racks for easy sample identification
</li>
</ul>
&nbsp;
<h2 data-section-id="flyrii" data-start="1159" data-end="1199">How to Choose Storage Boxes and Racks</h2>
&nbsp;
Vial Format and Capacity
The first selection criterion is compatibility with tube size and grid layout. The most common format is the 81-place (9&times;9) box designed for 1.0&ndash;2.0 mL cryovials. Smaller or specialized formats may accommodate 5 mL tubes or different vial diameters depending on grid spacing. Proper matching ensures secure fit, easy retrieval, and consistent sample organization in high-density storage systems.
Temperature Range
Material selection determines allowable storage conditions. Polycarbonate cryogenic boxes are the most versatile, supporting temperatures from liquid nitrogen levels (&ndash;196 &deg;C) through &ndash;80 &deg;C freezer storage and up to autoclave sterilization at +121 &deg;C. Cardboard freezer boxes with moisture-resistant coating are designed for economical freezer storage and can withstand ultra-low temperatures, but they are not suitable for autoclaving or long-term moisture exposure.
Tube Rack Materials and Use
Polypropylene racks are widely used because they are autoclavable and chemically resistant, making them suitable for sterile workflows. ABS and polystyrene racks provide lower-cost alternatives for general laboratory bench use but are not designed for autoclave conditions. For freezer organization, stainless steel racks are often used to hold multiple cryoboxes within &ndash;80 &deg;C upright freezer systems, improving accessibility and spatial organization.
Slide Storage Boxes
Microscope slide storage boxes are designed to protect standard 25 &times; 75 mm slides. They are available in 25-, 50-, and 100-slide capacities. Polypropylene versions are autoclavable and suitable for sterilized workflows, while fiberboard or ABS versions are typically used for room-temperature archival storage and transport.
Color Coding and Sample Identification
Color-coded storage boxes are widely used in biobanking and high-throughput laboratories to quickly differentiate sample groups without opening boxes or reading labels at freezer temperatures. Common systems include multiple lid colors paired with alphanumeric grids inside the box, enabling precise sample tracking and retrieval in large inventories.
&nbsp;
<h2 data-section-id="1jl751w" data-start="4067" data-end="4092">Specifications Context</h2>
&nbsp;
Modern polycarbonate cryogenic storage boxes are engineered for extreme temperature stability, typically rated from &ndash;196 &deg;C to +121 &deg;C, allowing use across liquid nitrogen vapor phase storage, &ndash;80 &deg;C freezers, and autoclave sterilization cycles. Cardboard freezer boxes are coated to resist moisture ingress and are optimized for cost-efficient high-density storage in ultra-low temperature environments.
The 81-place (9&times;9 grid) polycarbonate cryobox remains the standard format in most biorepositories and clinical research facilities due to its compatibility with SBS footprint freezer systems and automated inventory tracking workflows. These systems are widely used in genomics, cell banking, and pharmaceutical research environments.
For product details, specifications, or bulk ordering support, <a href="https://mbpinc.net/contact-us">the MBP team can help you</a> choose the right storage solution for your laboratory needs.

Storage Boxes & Racks

Vertical Type Freezer Racks (Aluminium/Stainless Steel)

VERTICAL TYPE FREEZER RACK, ALUMINUM,  1*8,  FITS FOR 8 PIECES OF  2’’ STANDARD BOXES, 2 PIECES/CASE

VERTICAL TYPE FREEZER RACK, ALUMINUM,  1*9,  FITS FOR 8 PIECES OF  2’’ STANDARD BOXES, 2 PIECES/CASE

VERTICAL TYPE FREEZER RACK, ALUMINUM,  1*11,  FITS FOR 11 PIECES OF  2’’ STANDARD BOXES, 2 PIECES/CASE

VERTICAL TYPE FREEZER RACK, STAINLESS STEEL,  1*13,  FITS FOR 13 PIECES OF  2’’ STANDARD BOXES, 2 PIECES/CASE

United States

Texas

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