Brands

Erlenmeyer Flasks

<h2 dir="ltr">What are Cell Culture Erlenmeyer Flasks?</h2>
 Cell culture Erlenmeyer flasks (also called shake flasks or conical flasks) are single-use, sterile plastic vessels with a conical body, flat base, and narrow neck used for suspension cell culture on orbital shakers and incubator shakers, microbial culture, and media preparation. Unlike rectangular T-flasks designed for static monolayer culture, Erlenmeyer flasks are engineered for shaking: their wide conical base maximizes liquid surface area for oxygen transfer, while the narrow neck minimizes evaporation and contamination risk. Choose PC Erlenmeyer flasks for autoclavable reuse and high-temperature media preparation; choose PETG for single-use suspension culture and processes requiring BPA-free materials.
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<h2 dir="ltr">What you will find:</h2>
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<a href="erlenmeyer-flasks/petg-erlenmeyer-flasks">PETG Erlenmeyer flasks: </a>strong choice for cell culture applications that need excellent clarity, reliable handling, and convenient single-use performance. They are lightweight, durable, and ideal for shaker culture, media preparation, and general suspension cell workflows.
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<a href="erlenmeyer-flasks/pc-erlenmeyer-flasks">PC Erlenmeyer flasks: </a>built for applications that require greater strength and higher impact resistance. They are well-suited for demanding lab environments, including vigorous shaking, transport, and workflows where added durability is important.
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<li dir="ltr" aria-level="1"><a href="https://mbpinc.net/consumables/cell-culture/erlenmeyer-flasks/erlenmeyer-flask-accessories">Erlenmeyer Flask Accessories: </a>Includes bi-directional, inverted, and multifunctional transfer caps, plus silicon tube assemblies for 2 L, 3 L, 3 L wide-mouth, and 5 L high-efficiency flasks, supporting sterile transfer and closed-system workflows.</li>
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<h2 dir="ltr"> How to Choose Erlenmeyer Flasks for Cell Culture</h2>
 PC vs. PETG Material PC (polycarbonate) Erlenmeyer flasks are autoclavable at 121 &deg;C (typically 5&ndash;10 cycles), shatter-proof, crystal-clear, and rated from &minus;135 &deg;C to +135 &deg;C. PC is ideal for labs that sterilize media or wash in-house. PC contains BPA. PETG Erlenmeyer flasks are single-use, BPA-free, rated from &minus;80 &deg;C to +60 &deg;C, and cannot be autoclaved. They provide a contamination-free, cleaning-free alternative to glass and PC for high-throughput suspension culture operations. Flat Base vs. Baffled Base Flat-base Erlenmeyer flasks provide gentler swirling for slow-growth cell lines and media mixing. Baffled-base flasks have three or four angled internal baffles that interrupt the swirling flow, increasing turbulence, raising dissolved oxygen (DO) by up to 2&times; compared to flat-base flasks at the same orbital speed, and reducing cell sedimentation. Baffled flasks are the standard for CHO-S, HEK293-F, Sf9, microbial, and yeast cultures requiring high oxygen transfer rates. NEST Scientific offers baffled and flat-base versions in both PC and PETG across all core volumes. Vented vs. Plug Seal Cap Vented caps contain a 0.22 &micro;m hydrophobic PTFE membrane that allows free O₂/CO₂ gas exchange while excluding microbial contamination. The NEST vented cap features an oversized vent area that improves gas exchange beyond standard-size membrane caps, supporting oxygen-demanding suspension cultures at higher cell densities. Plug seal caps create a fully sealed environment for media storage, static incubation, or transport outside the incubator. Always use vented caps for actively growing suspension cultures on an orbital shaker. Volume and Fill Ratio Erlenmeyer flasks should be filled to no more than 20&ndash;25% of the nominal flask volume for suspension shaker culture to maintain adequate headspace for oxygen transfer. A 500 mL flask running at 20% fill holds 100 mL of culture; a 1,000 mL flask holds 200 mL. Overfilling reduces oxygen transfer efficiency and creates foam that blocks the vented cap membrane. For media storage (no shaking), the fill volume can approach 80% of nominal. Shaker Compatibility NEST Scientific Erlenmeyer flasks (125 mL&ndash;3,000 mL) are compatible with standard laboratory orbital shakers, including those from Infors HT, New Brunswick Scientific (Innova), and Thermo Scientific MaxQ. Confirm flask neck O.D. and base diameter against your shaker's flask holder clips or clamp system before ordering large quantities. 
<h2 dir="ltr"> Specifications Context</h2>
 NEST Scientific PC Erlenmeyer flasks are manufactured from USP Class VI medical-grade polycarbonate, gamma sterilized per ISO 11137 to SAL 10⁻⁶, and individually wrapped in sterile packaging. PETG Erlenmeyer flasks are E-beam sterilized and certified DNase/RNase-free, pyrogen-free per lot. Vented cap PTFE membranes are 0.22 &micro;m with an oversized vent area that increases gas exchange efficiency vs. standard-diameter membrane caps. NEST Scientific is ISO 9001:2015 and ISO 13485 certified with FDA registration. Flask catalog sizes extend to high-efficiency 2 L and 5 L PC formats (NEST High Efficiency Erlenmeyer Flask line) for production-scale suspension culture. MBP stocks the NEST Scientific Erlenmeyer flask line across all major volumes and configurations. 
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Support accurate mixing and culturing with premium Erlenmeyer flasks designed for modern laboratories. <a href="https://www.mbpinc.net/contact-us" title="Contact the MBP Team" style="color: #236fa1; text-decoration: underline;">Contact the MBP team</a>&nbsp;for a formal quote.

<h2 dir="ltr">What are PC Erlenmeyer Flasks?</h2>
 PC (polycarbonate) Erlenmeyer flasks are autoclavable, shatter-proof, optically clear shake flasks manufactured from USP Class VI medical-grade polycarbonate for suspension cell culture, microbial fermentation, and media preparation on orbital shakers. Polycarbonate provides a working temperature range of &minus;135 &deg;C to +135 &deg;C and withstands 5&ndash;10 autoclave cycles at 121 &deg;C &mdash; the defining advantage of PC over PETG for labs that steam-sterilize media or require reusable, re-sterilizable shake flasks. PC Erlenmeyer flasks are the correct choice when autoclavability, reuse, or processing at elevated temperature (&gt;60 &deg;C) is required; for single-use BPA-free workflows, PETG Erlenmeyer flasks are the alternative.
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<h2 dir="ltr">What you will find:</h2>
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Vent Filter Caps featuring 0.22&micro;m hydrophobic membranes to facilitate continuous, sterile gas exchange while preventing contamination and evaporation.
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Seal Caps designed for airtight liquid storage, transport, and non-aerated incubation steps.
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Flat Bottom Flasks optimized for uniform heating and stability on standard orbital shakers.
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Baffled Bottom Flasks engineered with integrated "flutes" to increase turbulence and oxygen mass transfer, ideal for high-density yeast and bacterial cultures.
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Volume Scalability with a comprehensive range from 125mL pilots to 5L high-efficiency production vessels, allowing for a seamless transition from bench-scale research to bulk bioprocessing.
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High-Efficiency Wide-Mouth Designs facilitate&nbsp;rapid filling and easy access for large-volume pipetting and automated dispensers.
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<h2 dir="ltr"> How to Choose PC Erlenmeyer Flasks</h2>
 Flat Base vs. Baffled Base for Your Cell Line Flat-base PC flasks produce laminar rotational flow during orbital shaking, providing low-shear mixing appropriate for shear-sensitive primary cells, some hybridoma lines, and media preparation. Baffled-base PC flasks generate turbulence during shaking that substantially increases dissolved oxygen (DO) transfer &mdash; critical for fast-growing CHO-S, HEK293-F, Expi293, bacterial (E. coli, B. subtilis), and yeast cultures where DO depletion limits cell density and productivity. NEST Scientific offers both base geometries across all standard volumes from 125 mL to 3,000 mL, with High Efficiency baffled formats extending to 5,000 mL for production-scale operations. Vented Cap vs. Plug Seal Cap Vented caps (0.22 &micro;m hydrophobic PTFE membrane, HDPE housing) allow continuous gas exchange during shaker culture while maintaining a sterile barrier. The NEST oversized vented cap membrane provides greater gas transfer area than standard-dimension vented caps, supporting high-density cultures. Plug seal caps are gas-impermeable HDPE caps used for static media storage in PC flasks, transport between incubators, and autoclave cycles (caps must be loosened 1&ndash;1.5 turns before autoclaving to prevent pressure buildup). Never use a sealed plug cap on a flask in an orbital shaker incubator &mdash; medium acidification and DO depletion occur within hours. Volume Selection and Fill Ratio NEST Scientific PC flasks are available in 125 mL, 250 mL, 500 mL, 1,000 mL, 2,000 mL, 3,000 mL, and 5,000 mL (High Efficiency). Working fill for shaker culture: 20&ndash;25% of nominal volume. Working volumes: 25&ndash;30 mL in 125 mL; 50&ndash;60 mL in 250 mL; 100&ndash;125 mL in 500 mL; 200&ndash;250 mL in 1,000 mL; 400&ndash;500 mL in 2,000 mL. Scale-up from T-flask to Erlenmeyer: transition from T75 (15&ndash;25 mL static) to a 125 mL PC baffled flask when moving to suspension-adapted cell lines requiring orbital shaking. Autoclave Protocol for PC Flasks PC Erlenmeyer flasks can be autoclaved at 121 &deg;C for 15&ndash;20 minutes (standard gravity cycle). Loosen cap 1&ndash;1.5 turns before autoclaving; retighten after cooling. Repeated autoclaving causes progressive hydrolytic degradation of carbonate linkages &mdash; inspect for crazing, discoloration, or dimensional distortion after each cycle and retire flask at first sign of damage. Do not use autoclaved PC flasks for vacuum applications. BPA Consideration Polycarbonate contains bisphenol A (BPA) as an inherent part of its monomer chemistry. For applications involving estrogen receptor&ndash;positive cell lines (MCF-7, T47D, ZR-75), primary endocrine cells, or long-term culture runs exceeding 14 days, PETG Erlenmeyer flasks (BPA-free) are the safer choice. For standard bacterial, yeast, CHO, and HEK293 suspension culture, trace BPA from USP Class VI PC does not affect results in published culture protocols. 
<h2 dir="ltr"> Specifications Context</h2>
 NEST Scientific PC Erlenmeyer flasks are manufactured from USP Class VI medical-grade PC resin in ISO 8 cleanrooms, gamma sterilized per ISO 11137 to SAL 10⁻⁶, and individually wrapped in sterile packaging. PC tensile strength: 55&ndash;75 MPa; maintains impact resistance &gt;50 J/m at &minus;40 &deg;C. Vented cap 0.22 &micro;m hydrophobic PTFE membrane confirmed non-pyrogenic. Flask base diameter and neck geometry are designed for compatibility with standard orbital shaker clips from Infors HT, New Brunswick Innova, and Thermo Scientific MaxQ platforms &mdash; confirm flask O.D. against your specific shaker clamp before bulk ordering. NEST Scientific PC Erlenmeyer flasks up to 5 L (High Efficiency line) are stocked by MBP.
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Connect with the <a href="https://mbpinc.net/contact-us" title="MBP team" style="color: #236fa1; text-decoration: underline;">MBP team</a> today to secure the exact volumes and cap configurations required for your laboratory&rsquo;s next breakthrough.

PC Erlenmeyer Flasks

DataSheet

Flat Bottom PC Conical Erlenmeyer Flasks

781101 by NEST Scientific is a flat-bottom polycarbonate (PC) conical Erlenmeyer flask for shaker culture, available in 125 mL–3 L with plug seal or PTFE vented cap. ISO 10993 medical-grade PC, E-beam sterile at SAL 10⁻⁶, heat resistant to 121°C, enzyme-free. Fill to 30–40% capacity at 75–125 rpm for mammalian, insect, and bacterial suspension culture.

Manufacturer

125 mL PC Conical Erlenmeyer Flasks, Flat Bottom, Seal Caps, Sterile,1/pk, 24/cs

250 mL PC Conical Erlenmeyer Flasks, Flat Bottom, Seal Caps, Sterile,1/pk, 12/cs

500 mL PC Conical Erlenmeyer Flasks, Flat Bottom, Seal Caps, Sterile,1/pk, 12/cs

1000 mL PC Conical Erlenmeyer Flasks, Flat Bottom, Seal Caps, Sterile,1/pk, 6/cs

125 mL PC Conical Erlenmeyer Flasks, Flat Bottom, Vent Filter Caps, Sterile,1/pk, 24/cs

250 mL PC Conical Erlenmeyer Flasks, Flat Bottom, Vent Filter Caps, Sterile,1/pk, 12/cs

500 mL PC Conical Erlenmeyer Flasks, Flat Bottom, Vent Filter Caps, Sterile,1/pk, 12/cs

1000 mL PC Conical Erlenmeyer Flasks, Flat Bottom, Vent Filter Caps, Sterile,1/pk, 6/cs

Product Literature

Flat Bottom PC High Efficient Erlenmeyer Flasks

NEST 785101: 2 L flat-bottom polycarbonate (ISO 10993) high-efficiency Erlenmeyer flask. E-beam sterile SAL 10&minus;6, DNase/RNase-free, autoclavable to 121&deg;C. Plug seal or vent cap. 1/pk, 4/cs. For mammalian and insect cell culture on orbital shakers.

2L PC High Efficient Erlenmeyer Flasks, Flat Base, Seal Cap, Sterile, 1/pk, 4/cs

2L PC High Efficient Erlenmeyer Flasks, Flat Base, Vent Filter Cap, Sterile, 1/pk, 4/cs

3L PC High Efficient Erlenmeyer Flasks, Flat Base, Seal Cap, Sterile, 1/pk, 4/cs

3L PC High Efficient Erlenmeyer Flasks, Flat Base, Vent Filter Cap, Sterile, 1/pk, 4/cs

5L PC High Efficient Erlenmeyer Flasks, Flat Base, Seal Cap, Sterile, 1/pk, 4/cs

5L PC High Efficient Erlenmeyer Flasks, Flat Base, Vent Filter Cap, Sterile, 1/pk, 4/cs

<h2 dir="ltr"> What are PETG Erlenmeyer Flasks?</h2>
 PETG (polyethylene terephthalate glycol) Erlenmeyer flasks are single-use, sterile, BPA-free conical shake flasks manufactured from glycol-modified PET for suspension cell culture, microbial fermentation, and media preparation on orbital shakers. PETG offers optical clarity comparable to PC, a working temperature range of &minus;80 &deg;C to +60 &deg;C, superior impact resistance at low temperatures versus standard PET, and a BPA-free composition &mdash; advantages over PC in single-use workflows where autoclaving is not required, and BPA-sensitive cell culture applications are involved.&nbsp; PETG Erlenmeyer flasks are the correct choice for high-throughput single-use suspension culture, BPA-free applications, and labs that want to eliminate autoclave and washing steps in their shake flask workflow.
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<h2 dir="ltr">What you will find:</h2>
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125mL PETG Erlenmeyer Flasks for Screening Studies: Perfect for small-scale media optimization and high-speed orbital shaking.
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250mL PETG Erlenmeyer Flasks for Routine Expansion: Provides a stable environment for consistent cell growth and passage maintenance.
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500mL PETG Erlenmeyer Flasks for Batch Production: Optimized for increasing cell densities while maintaining superior gas exchange.
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1000mL PETG Erlenmeyer Flasks for Large-Scale Recovery: Engineered for high-volume bioprocessing and bulk reagent preparation.
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<h2 dir="ltr"> How to Choose PETG Erlenmeyer Flasks</h2>
 PETG vs. PC for Shake Flask Culture PETG flasks are single-use and cannot be autoclaved (maximum temperature +60 &deg;C). PC flasks can be autoclaved 5&ndash;10 times and have a broader temperature range (&minus;135 &deg;C to +135 &deg;C). For high-throughput suspension culture operations processing many flasks per week, single-use PETG eliminates all washing, autoclave queuing, and glassware inspection steps &mdash; reducing hands-on time and contamination risk from reuse. For labs with lower throughput that prepare media in-house via autoclave, PC remains the cost-effective choice. PETG is BPA-free; PC contains BPA. Cell Line Compatibility PETG Erlenmeyer flasks are validated for CHO-S, HEK293-F, Expi293, Jurkat, K562, Sf9 (Spodoptera frugiperda), Hi5 (Trichoplusia ni), S. cerevisiae, P. pastoris, and E. coli suspension culture. The non-treated PETG surface prevents inadvertent cell adhesion and is compatible with all standard suspension culture media, including FreeStyle CHO, Expi293, Sf-900, and ESF 921 insect cell media. PETG is chemically resistant to DMSO, ethanol, isopropanol, and standard aqueous buffers. Baffled vs. Flat Base for PETG Flasks Baffled-base PETG Erlenmeyer flasks are the standard for oxygen-demanding suspension cultures: CHO, HEK293-F, bacterial, and insect cell lines. The baffles generate turbulent flow during orbital shaking, raising dissolved oxygen and reducing cell sedimentation. Flat-base PETG flasks are used for media preparation, gentle mixing, and shear-sensitive cell lines where turbulent conditions cause cell damage. NEST Scientific offers baffled and flat-base versions in both 125 mL and 1,000 mL. Vented Cap Gas Exchange NEST Scientific PETG Erlenmeyer flasks ship with a 0.22 &micro;m hydrophobic PTFE membrane vented cap in an HDPE housing with an oversized vent area. For suspension culture with 20&ndash;25% fill volume, vented caps at standard orbital speeds (100&ndash;150 RPM) provide adequate oxygen mass transfer to support mammalian cell densities up to approximately 5 &times; 10⁶ cells/mL. For cultures targeting higher densities or with very high specific oxygen uptake rates (sOUR), confirm dissolved oxygen by inline monitoring before scaling further in PETG flasks. Storage of Unused Sterile Flasks Store unused NEST Scientific PETG Erlenmeyer flasks at room temperature (15&ndash;30 &deg;C) in the original sealed sterile bag, away from UV light. Shelf life is typically 3 years from the production date per the lot certificate. Inspect the bag seal before use; a compromised seal invalidates sterility. Remove from the bag inside a biosafety cabinet immediately before inoculation. 
<h2 dir="ltr"> Specifications Context</h2>
 NEST Scientific PETG Erlenmeyer flasks are manufactured from USP Class VI medical-grade PETG in ISO 8 cleanrooms. E-beam sterilized to SAL 10⁻⁶; each lot certified DNase/RNase-free, pyrogen-free, non-cytotoxic. Temperature range: &minus;80 &deg;C to +60 &deg;C. HDPE cap with 0.22 &micro;m PTFE hydrophobic membrane; oversized vent area for improved gas transfer. NEST Scientific is ISO 9001:2015 and ISO 13485 certified; FDA registered. NEST Scientific PETG Erlenmeyer flasks in 125 mL, 250 mL, 500 mL, and 1,000 mL with baffled and flat-base options are stocked by MBP. 
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Source high-quality laboratory supplies with Molecular Biology Products Inc. <a href="https://mbpinc.net/contact-us">Connect with our specialists</a> for customized quotations.

PETG Erlenmeyer Flasks

PETG Erlenmeyer Flask, Flat base

Flat Bottom PETG Erlenmeyer Flasks

781001 by NEST Scientific — 125 mL flat-bottom PETG Erlenmeyer flask with USP Class VI plug seal cap. E-beam sterile (SAL 10-6), cGMP/ISO 13485 facility, pyrogen-free, DNase/RNase-free. 1/pk, 24/cs.

125ml PETG Erlenmeyer Flask, Flat base, Plug Seal Cap, Sterile,1/pk, 24/cs

250ml PETG Erlenmeyer Flask, Flat base, Plug Seal Cap, Sterile,1/pk, 12/cs

500ml PETG Erlenmeyer Flask, Flat base, Plug Seal Cap, Sterile,1/pk, 12/cs

1000ml PETG Erlenmeyer Flask, Flat base, Plug Seal Cap, Sterile,1/pk, 6/cs

125ml PETG Erlenmeyer Flask, Flat base, Vent Cap, Sterile,1/pk, 24/cs

250ml PETG Erlenmeyer Flask, Flat base, Vent Cap, Sterile,1/pk, 12/cs

500ml PETG Erlenmeyer Flask, Flat base, Vent Cap, Sterile,1/pk, 12/cs

1000ml PETG Erlenmeyer Flask, Flat base, Vent Cap, Sterile,1/pk, 6/cs

3D Rockers Accessories

<h2>What are 3D rocker accessories?</h2>
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3D rocker accessories are the interchangeable tube holders, platform mats, and container-retention clips that allow a 3D rocking platform to be used with different vessel types beyond flat trays resting directly on the platform surface. Tube holder accessories fix microcentrifuge, 15 mL, or 50 mL conical tubes in defined positions on the platform, enabling the 3D rocking motion to agitate tube contents without requiring a separate tube rotator. Non-slip platform mats grip trays, gel boxes, and flat containers by friction, preventing them from sliding during rocking. Container clips secure the edges of blot containers or larger trays at higher speeds.
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<h2 dir="ltr">What you will find:</h2>
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<li dir="ltr" role="presentation">Flat mats (small and large) for flask, plate, and container stable placement&nbsp;</li>
<li dir="ltr" role="presentation">Dimpled mats designed safely hold tubes during mixing</li>
<li dir="ltr" role="presentation">Stacking platforms with flat or dimpled mats to increase space for working area</li>
<li dir="ltr" role="presentation">Platform options with different clearances provide flexibility in multiple setups</li>
<li dir="ltr" role="presentation">Additional platform separators provide more vertical capacity</li>
<li dir="ltr" role="presentation">Packs for securing bigger and irregular lab vessels</li>
<li dir="ltr" role="presentation">Small and large platform sizes to match different models of rockers</li>
<li dir="ltr" role="presentation">Interchangeable accessories for personalized mixing configurations</li>
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<h2>How to choose 3D rocker accessories</h2>
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Match tube holder accessories to your tube size and the rocker model
Tube holders for 3D rockers are designed for specific tube formats &mdash; microcentrifuge (1.5 mL and 2 mL), 15 mL conical, and 50 mL conical &mdash; and attach to the platform via a platform-specific mounting system. Confirm that the tube holder accessory is listed as compatible with your specific 3D rocker model, since mounting systems vary between manufacturers.
Use a non-slip mat for flat containers at low to moderate rocking speeds
A non-slip silicone or rubber platform mat holds flat trays and gel boxes by friction at rocking speeds up to approximately 20&ndash;25 rpm, suitable for most blot and gel incubation applications. At higher speeds or steeper tilt angles, the tray may slide despite the mat, and dedicated container clips provide more secure retention.
Choose container clips or tray holders for heavier or larger containers
For large gel staining dishes or containers with significant weight or liquid volume that might slide on the platform, dedicated container clips or tray holder frames that attach to the platform edges provide secure retention at any rocking speed. These are important when working with larger format blots or multiple staining trays simultaneously.
Consider a multi-format accessory kit for maximum versatility
A set covering a non-slip mat, microcentrifuge tube holder, and 50 mL conical tube holder allows the same 3D rocker to serve flat-surface and tube-mixing applications without separate orders per format, and is the standard starting accessory purchase for a new 3D rocker installation.
Verify material compatibility with your lab cleaning agents
Platform mats and tube holders are typically made from polypropylene, silicone, or polyurethane, and should be compatible with your lab disinfectants. Silicone mats resist common lab disinfectants; check materials for compatibility with bleach-based or solvent-based cleaning protocols used.
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<h2>Specifications context</h2>
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Tube holders for 3D rocking platforms must secure tubes against centrifugal and gravitational forces during the tilting cycle, and the holder's design determines the maximum safe rocking speed. As of 2026, universal tube holders fitting multiple formats from a single base mount have become available, reducing the number of separate accessories needed for labs mixing different tube sizes on the same 3D rocker.
<a href="https://mbpinc.net/contact-us">Contact the MBP team today </a>to request a quote and find the right accessories for your 3D rocker.

3D Rocker Accessories

Flat Mat, extra large 14" x 12"

The BR2000-FLAT by Benchmark Scientific is an extra-large 14 x 12 inch autoclavable flat rubber mat for the BenchRocker 2D variable-speed rocker (BR2000) and compatible Benchmark Scientific platforms. Flat surface accommodates flasks, culture bottles, gel trays, and staining dishes. Sold as a replacement or spare mat. Do not use on 12 x 12 in platforms (BR1000, BlotBoy B3D1308).

Manufacture

Flat Mat, large 12" x 12"

BR1000-FLAT by Benchmark Scientific is a 12" × 12" flat rubber mat for the Benchmark MiniMixer™ 3D (B3D1020), BioMixer™ 3D (B3D1320), BenchBlotter, and BenchRocker platforms. Use when mixing flat-bottomed vessels such as Western blot trays, gel boxes, or microplates. Order via mbpinc.net/quickorder or customerservice@mbpinc.net.

Flat Mat, small 10.5" x 7.5"

The B3D-FLAT by Benchmark Scientific is an autoclavable flat rubber replacement mat (10.5 x 7.5 in., 27 x 19 cm) for the Mini BlotBoy 3D Rocker (B3D1008) and MiniMixer 3D Nutating Shaker (B3D1020). Flat surface is optimal for gel trays, microplates, and flat-bottomed culture vessels. Use B3D-DIMPLED for round-bottom tubes on the same platform.

Innoculating Needles/Loops

<h2 data-section-id="y6ykl1" data-start="0" data-end="42">What Are Inoculating Loops and Needles?</h2>
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Inoculating loops and needles are essential microbiology tools used to transfer microorganisms between culture media, agar plates, broth tubes, and other laboratory growth systems. An inoculating loop features a small circular end designed to hold a defined volume of liquid culture, while an inoculating needle has a straight tip used for picking colonies and inoculating semi-solid media. Modern disposable versions are manufactured from sterile polypropylene or polystyrene and have largely replaced reusable metal loops in many laboratories, helping reduce cross-contamination risks and eliminating the need for flame sterilization between samples. These tools are widely used in clinical microbiology, research laboratories, pharmaceutical testing, food microbiology, and environmental monitoring applications.
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<h2 dir="ltr">What you will find:<a href="https://mbpinc.net/consumables/microbiology/innoculating-needles/loops" title="Inoculating Needles &amp; Loops"></a></h2>
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Smooth loops for streaking without agar damage
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Fine-point needles for precise colony picking
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Sterile disposable options for safe, aseptic use
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Heat-resistant wire loops for repeated sterilization
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Ergonomic grip for better control and reduced fatigue
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<h2 data-section-id="x4zq8w" data-start="861" data-end="907">How to Choose Inoculating Loops and Needles</h2>
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Volume: 1 &micro;L vs. 10 &micro;L
The choice of loop volume depends on the application. A 1 &micro;L calibrated loop is commonly used for quantitative urine cultures and other procedures where accurate sample volume directly affects colony counts and microbial enumeration. A 10 &micro;L loop is the standard option for routine streak plating, subculturing, and general microorganism transfer where larger sample volumes are beneficial.
Rigidity: Flexible PP vs. Rigid PS
Flexible polypropylene loops are designed to glide smoothly across agar surfaces, minimizing damage to the media during streaking procedures. Rigid polystyrene loops and needles provide greater control when inoculating broth cultures, retrieving colonies, or performing stab inoculations in semi-solid agar. Many laboratories keep both flexible and rigid options available to accommodate different microbiological techniques.
Calibration and Lot Certification
For quantitative microbiology applications, calibrated loops should be selected to ensure consistent volume delivery. Certified loops undergo validation testing to verify that they deliver the specified sample volume accurately. This level of quality assurance is particularly important in clinical laboratories performing urine cultures and other quantitative microbial analyses.
Packaging Format
Individually packaged sterile loops provide maximum sterility assurance and are ideal for low-volume testing environments. Bulk-packaged sterile loops offer a more economical solution for high-throughput laboratories where large quantities are used daily. The choice depends on workflow requirements, usage frequency, and laboratory contamination-control practices.
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<h2 data-section-id="1jl751w" data-start="3179" data-end="3204">Specifications Context</h2>
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Disposable inoculating loops and needles are typically manufactured from medical-grade polypropylene or polystyrene and supplied sterile for immediate use. Standard loop sizes are designed to deliver consistent volumes and feature smooth surfaces that support accurate sample transfer. Many calibrated loops are tested using recognized verification methods and supplied with lot-specific certification to support laboratory quality assurance requirements. Disposable plastic loops are now widely used across clinical, academic, pharmaceutical, and industrial microbiology laboratories due to their convenience, consistency, and reduced contamination risk compared with reusable metal alternatives.
For product selection or technical guidance, <a href="https://mbpinc.net/consumables/microbiology/innoculating-needles/loops" title="connect with the Molecular Biology Products Inc. (MBP) team.">connect with the Molecular Biology Products Inc. (MBP) team.</a>

Flexible Inoculation Loops

Globe Scientific Flexible Inoculation Loops (SKU 2801) — 1 µL calibrated, medical-grade polypropylene with integrated needle, ETO sterilized. 20 loops/peel-pack; 50 packs/case (1,000 loops). Natural color. Flexible shaft minimizes agar surface damage during streak-plate isolation.

Inoculation Loop, Flexible, 1uL with Needle, STERILE, Natural, 20/Peel Pack, 50 Packs/Unit, BOX/1000

Inoculation Loop, Flexible, 10uL with Needle, STERILE, Blue, 20/Peel Pack, 50 Packs/Unit, BOX/1000

Flyer

Flexible Inoculation Loops in Resealable Bags

2871-01 by Globe Scientific is a sterile flexible polystyrene inoculation loop with an integrated loop-and-needle design, gamma sterilized, packaged in tamper-evident resealable bags with lot numbers and expiration dates. Designed for streak plate inoculation, culture transfer, and clinical specimen plating in research and diagnostic microbiology labs.

Inoculation Loop, Flexible, 1uL, Calibration Certificate, STERILE, PS, Blue, Individually Wrapped, 250/case

Inoculation Loop, Flexible, 1uL, Calibration Certificate, STERILE, PS, Blue, 10/Zip Lock Bag, 100 Bags/Unit 

Inoculation Loop, Flexible, 1uL, Calibration Certificate, STERILE, PS, Blue, 25/Zip Lock Bag, 40 Bags/Unit 

Inoculation Loop, Flexible, 10uL, Calibration Certificate, STERILE, PS, Yellow, Individually Wrapped

Inoculation Loop, Flexible, 10uL, Calibration Certificate, STERILE, PS, Yellow, 10/Zip Lock Bag, 100 Bags/Unit 

Inoculation Loop, Flexible, 10uL, Calibration Certificate, STERILE, PS, Yellow, 25/Zip Lock Bag, 40 Bags/Unit 

<h2 dir="ltr">What are specimen collection swabs?</h2>
 Specimen collection swabs are sterile, single-use devices with a fiber tip on a plastic or wire shaft, used to acquire material from a patient's nasopharynx, anterior nares, oropharynx, wound, skin, or environment for diagnostic testing or microbial culture. Modern flocked swabs replace yards of wrapped fiber with perpendicular nylon or polyester fibers attached to the applicator, giving roughly 97 % specimen release on vortex versus about 33 % for traditional rayon or polyester. Buy from this category whenever specimen acquisition feeds a downstream culture or PCR &mdash; the swab determines whether the assay sees the analyte at all. 
&nbsp;
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">Sterile flocked swabs for high-efficiency sample collection and release</li>
<li dir="ltr" role="presentation">Polyester and rayon swabs for general microbiology sampling</li>
<li dir="ltr" role="presentation">Nylon flocked nasopharyngeal and/or oropharyngeal swabs</li>
<li dir="ltr" role="presentation">Dry swabs for direct plating or molecular testing workflows</li>
<li dir="ltr" role="presentation">Swabs with transport tubes for stabilized sample transfer</li>
<li dir="ltr" role="presentation">Breakpoint swabs for easy release into collection vials</li>
</ul>
<h2 dir="ltr"> How to choose specimen collection swabs</h2>
&nbsp;
Match the collection site Nasopharyngeal swabs use long flexible shafts (~150 mm) and small flocked or molded tips designed to reach the posterior nasopharynx. Anterior nares swabs are shorter and gentler. Oropharyngeal and wound swabs come in foam or flocked variants depending on the target organism.
Choose tip material for the assay Flocked nylon or polyester is the default for respiratory virus PCR. Cotton, calcium alginate, and wood-shafted swabs are excluded by CDC guidance because cotton contains PCR-inhibitory fatty acids and calcium alginate inhibits PCR directly. Foam suits some bacterial cultures and rapid antigen tests.
Verify the breakpoint and the shaft A predetermined breakpoint at a defined distance from the tip (commonly 100&ndash;101 mm for nasopharyngeal swabs) lets the operator snap the shaft into the transport tube; shafts should be plastic or wire, never wood.
Confirm sterility and FDA listing Single-use sterile peel pouches are the clinical standard. Swabs are FDA Class I exempt devices; verify the manufacturer's FDA registration and listing on the certificate of conformity.
<h2 dir="ltr"> Specifications context</h2>
 Diagnostic swabs are characterized by tip material, shaft material, total length, breakpoint distance, and sterility status. Nasopharyngeal flocked swabs commonly measure about 150 mm overall with a breakpoint near 100 mm and a flexible plastic shaft; the MedSchenker CavSwab uses Allium&trade; flock technology on a 153 mm shaft with a 101.3 mm breakpoint. Specimen release ranges from roughly 33 % for traditional rayon/polyester up to about 97 % for flocked nylon. As of 2026, these sit in a low-to-mid price tier per swab and are typically sold in case quantities of 100 or 500.&nbsp; 
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For swab selection, material compatibility, and sample collection formats,<a href="https://mbpinc.net/contact-us"> the MBP team&nbsp;</a>can guide you to the most suitable option based on your testing method and workflow setup.

Swabs

Brochure

Sample Collection Packs

Flexible Minitip Flocked Swab with Liquid Amies Medium

482C by COPAN Diagnostics is the ESwab® Flexible Minitip Flocked Swab with 1 mL Liquid Amies medium — FDA-cleared for aerobic, anaerobic, and fastidious bacteria. Maintains organism viability up to 48 hours at room temperature (20–25°C) or refrigerated (4–8°C). Shelf life: 15 months.

Sample Vial

<h2 dir="ltr">What are Transport Tubes?</h2>
 Transport tubes are sterile, leak-proof screw-cap tubes used for collecting, transporting, and temporarily storing biological specimens from the collection site to the testing laboratory. They span a broad category: empty specimen containers (15 mL and 50 mL self-standing conical tubes), pre-filled saline transport tubes, UTM (Universal Transport Medium) tubes, and specialty specimen vials. All transport tubes share three required attributes&mdash;leak-proof construction, sterility confirmation, and compatibility with the downstream assay's matrix requirements. Choose the transport tube type based on the specimen, the target analyte, and the assay platform it will be processed on. 
<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">5 mL transport tubes for routine sample movement</li>
<li dir="ltr" role="presentation">10 mL tubes for higher volume biological samples</li>
<li dir="ltr" role="presentation">Leak-tight screw-cap tubes for secure handling</li>
<li dir="ltr" role="presentation">Sterile transport tubes for clinical workflows</li>
<li dir="ltr" role="presentation">Graduated tubes with labeling surfaces for tracking</li>
<li dir="ltr" role="presentation">Self-standing tubes for easier bench organization</li>
</ul>
&nbsp;
<h2 dir="ltr">How to Choose Transport Tubes</h2>
 Material: Polypropylene (PP) vs. Polystyrene (PS) PP conical transport tubes are chemical-resistant, autoclavable, and certified DNase/RNase-free in molecular-grade formats. PS transport tubes (30 mL translucent format, Globe Scientific) are lighter and less expensive but not autoclavable. For nucleic acid work, DNA/RNA-free certified PP is the standard. For specimen transport requiring centrifugation, PP is preferred due to higher g-force tolerance (PP rated to &ge;10,000 &times; g in most formats). Self-Standing vs. Rack Format Self-standing (skirted-base) conical tubes stand upright without a rack, reducing knock-over risk during aliquoting and transport. Rack-based tubes require a separate holder. Globe Scientific self-standing 50 mL PP transport tubes feature a printed graduation, white frosted writing area, and are available sterile, non-sterile, or metal-free. Sterile tubes are RNase/DNase-free and pyrogen-free per the lot certificate. Sterile vs. Non-Sterile Sterile tubes (ISO 11137 radiation sterilization, SAL 10⁻⁶) are required for culture, NAAT, and any specimen where contamination would invalidate the result. Non-sterile metal-free PP tubes are suited to trace-element analysis and environmental sampling where sterility is not required but metal contamination would interfere. Volume 15 mL tubes are standard for most clinical specimen aliquots, urine transfers, and culture setups. 50 mL tubes are used for higher-volume specimens (24-hour urine aliquots, stool homogenates, bulk transport of tissue homogenates). Globe Scientific 30 mL tubes with integral spoon are designed specifically for fecal specimen self-collection. Media and Additives Empty transport tubes (no fill) are the base format; select a pre-filled tube (saline, UTM, boric acid) based on the specimen type and analyte stability requirements. For nucleic acid targets, pre-filled tubes with DNA/RNA Shield, UTM, or saline are the appropriate formats. 
<h2 dir="ltr"> Specifications Context</h2>
 Globe Scientific self-standing 50 mL conical transport tubes are manufactured from USP Class VI medical-grade PP with a conical bottom skirt for freestanding stability. Printed graduation marks (1 mL intervals) and a frosted writing area are standard features. Sterile versions are individually wrapped and certified RNase-free, DNase-free, and pyrogen-free per lot certificate, consistent with ISO 9001:2015 manufacturing standards. Non-sterile metal-free versions are supplied with a separate natural screw cap and are tested for trace metals via ICP-MS before lot release. MBP's transport tubes catalog includes Globe Scientific and NEST Scientific formats in multiple pack sizes (25/bag and bulk packs of 500). 
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If you need help choosing tube size or matching the right transport format to your workflow,<a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;"> the MBP team</a> can help you sort it out without overthinking it.

Transport Tube Products

Flip Top Polypropylene Vials

101100 by Globe Scientific are 45&#160;mL food-grade polypropylene vials with a permanently hinged, linerless flip-top snap cap for leak-resistant one-handed closure. The shoulderless barrel simplifies filling and maximizes internal volume. Suited for environmental sampling, food testing, veterinary collection, and general lab storage. Sold in cases of 600 (3 bags × 200).

Sample Vial, 45mL, Flip Top, bag/200, CS/600

Sample Vial, 30mL, Flip Top with Locking Tab, and Tamper Seal, MG at 15 & 30ml, bag/200, CS/600

Biopsy Cassettes

<h2 data-section-id="1l9wr55" data-start="0" data-end="29">What Are Biopsy Cassettes?</h2>
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Biopsy cassettes are specialized histology cassettes manufactured from acetal polymer (POM) and designed with fine 1 mm square mesh openings instead of the wider slots used in standard tissue cassettes. These fine mesh openings securely retain small tissue specimens such as gastric endoscopic biopsies, prostate needle cores, liver biopsies, and skin punch biopsies that could otherwise be lost during tissue processor agitation, vacuum cycles, and reagent exchanges. Like standard tissue cassettes, biopsy cassettes function as the specimen container throughout processing, embedding, and long-term paraffin block storage. Multi-compartment designs allow multiple tissue cores from different anatomical sites to be processed together while maintaining specimen orientation and identification.
Use biopsy cassettes for specimens smaller than approximately 3 mm. The fine 1 mm mesh is the key feature that prevents specimen loss during processing.
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<h2 dir="ltr">What You Will Find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">30&deg; Biopsy Cassettes: Classic angled design with dual labeling panels for clear identification and reliable handling.</li>
<li dir="ltr" role="presentation">35&deg; Biopsy Cassettes: Printer-optimized angle for smoother feeding and high-contrast labeling.</li>
<li>Foam Biopsy Pads: Hold delicate tissues firmly in place, preventing movement and damage.</li>
</ul>
&nbsp;
<h2 data-section-id="1h918vw" data-start="992" data-end="1025">How to Choose Biopsy Cassettes</h2>
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Single vs. Multi-Compartment
Single-compartment biopsy cassettes are the standard choice for processing one specimen per paraffin block and are suitable for most diagnostic biopsy applications. Multi-compartment cassettes, including four-compartment and six-compartment formats, allow several biopsy cores from different anatomical locations to be processed in the same cassette while preserving their positional identity. These formats are commonly used for prostate biopsy series and other multi-site sampling procedures.
Mesh Opening Size
Standard biopsy cassettes feature 1 mm square mesh openings that provide an effective balance between specimen retention and reagent flow. For ultrafine tissue cores, dispersed cell pellets, or particularly delicate specimens, microbiopsy or biomesh cassettes with smaller openings ranging from approximately 0.38 mm to 0.6 mm may provide better specimen containment.
Lid Design and Printer Compatibility
Globe Scientific biopsy cassettes utilize an integral click-shut hinged lid that closes securely and can be reopened multiple times without compromising closure integrity. This design is particularly useful during grossing procedures where specimens may need to be inspected before processing. Writing surfaces are available in both 30&deg; and 35&deg; angles to ensure compatibility with Leica and Sakura cassette labeling systems.
Foam Biopsy Pads
Biopsy foam pads are commonly used when processing extremely small tissue fragments. These polyester urethane foam inserts help immobilize specimens within the cassette, maintaining proper orientation and preventing movement during tissue processing while still allowing efficient reagent penetration and drainage.
Compatibility with Base Molds
Biopsy cassettes share the standard histology cassette footprint of approximately 40 &times; 28 &times; 6 mm, allowing compatibility with standard stainless steel and disposable plastic embedding molds. Multi-compartment designs maintain the same external dimensions while providing internal specimen separation.
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<h2 data-section-id="1jl751w" data-start="4594" data-end="4619">Specifications Context</h2>
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Globe Scientific biopsy cassettes are manufactured from durable acetal polymer and feature 1 mm square mesh openings engineered to maximize specimen retention while allowing efficient reagent penetration. The fine mesh design provides a large total open surface area for fluid exchange despite the smaller individual openings. These cassettes are resistant to formalin, xylene, graded alcohols, and acidic decalcifying agents commonly used in histology laboratories. The standard footprint of approximately 40 &times; 28 &times; 6 mm ensures compatibility with Leica ASP, Sakura VIP, Thermo Shandon Excelsior, and most other automated tissue processors. Globe Scientific maintains ISO 9001:2015 certification, and lot-specific conformance documentation is available upon request through MBP.
Protect your smallest samples with the professional standard. Check out our biopsy range and&nbsp;<a href="https://mbpinc.net/contact-us">hit up the MBP team</a> for a quote.

Foam Biopsy Pads

190195 by Globe Scientific are 30.2&#160;mm × 25.4&#160;mm × 2&#160;mm polyester urethane foam pads that secure biopsy specimens inside standard histology cassettes during tissue processing. Rated from &#8722;40&#176;C to 121&#176;C, they maintain optimum solvent flow through fixation, dehydration, clearing, and paraffin infiltration steps. Sold in packs of 1,000 blue pads.

Biopsy Pad for Cassettes, Foam, Blue, 30.2mm x 25.4mm x 2mm, 1000/Pack, BAG/1000

Biopsy Pad for Cassettes, Foam, Black, 30.2mm x 25.4mm x 2mm, 1000/Pack, BAG/1000

Vortex Mixers Accessories

<h2>What are vortex mixer accessories?</h2>
&nbsp;
Vortex mixer accessories are the interchangeable cup heads, foam inserts, and platform adapters that convert a standard single-tube vortex mixer to batch-process multiple tubes or different vessel formats simultaneously. The standard single-tube cup head can be replaced with a multi-tube foam insert holding 6 to 24 microcentrifuge tubes, a tube strip or microplate adapter, or a platform-style attachment for larger vessel formats. These accessories are typically instrument-specific, using a proprietary attachment mechanism that varies between vortex mixer brands.&nbsp;
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<h2 dir="ltr">What you will find:</h2>
&nbsp;
<ul>
<li dir="ltr" role="presentation">Tube racks for 0.5 ml, 1.5/2.0 ml, 12 mm, 13 mm, and 15 ml tubes</li>
<li dir="ltr" role="presentation">High-capacity tube racks for holding up to 96 samples</li>
<li dir="ltr" role="presentation">Horizontal heads for mixing 2 &times; 50 ml tubes and 4 &times; 15 ml tubes</li>
<li dir="ltr" role="presentation">Foam tube holders for 6 mm, 10 mm, 12 mm, and 16 mm tubes</li>
</ul>
&nbsp;
<h2>How to choose vortex mixer accessories</h2>
&nbsp;
Select foam inserts by the tube format they accommodate
Foam inserts for vortex mixers are sized to hold specific tube formats by pressing the closed tube caps into the foam at defined positions: standard microcentrifuge inserts hold 1.5 mL and 2 mL tubes, larger foam blocks accommodate 15 mL and 50 mL conical tubes, and low-profile inserts hold 0.5 mL tubes or PCR strip tubes in defined arrays. Check that the insert format matches the tube types you use most and that the insert is rated for your vortex mixer's speed range.
Confirm accessory compatibility with your vortex mixer model
Vortex mixer accessories attach via model-specific connectors &mdash; threaded onto the drive spindle or clipped onto the instrument head &mdash; and are not universally compatible between brands or models. Always check that the specific accessory is listed as compatible with your vortex mixer model before ordering.
Use a microplate adapter for 96-well plate mixing
Microplate vortex adapters replace the standard cup head with a flat or recessed platform sized to hold a standard 96-well plate, allowing entire plates to be mixed in continuous mode for ELISA plate washing steps, microplate cell resuspension, and plate-format biochemical assays. The adapter should be rated for the speed at which it will be used to prevent plate sliding.
Check that foam insert speed ratings are compatible with your operating speed
Foam inserts are rated for a maximum operating speed, and using a foam insert at speeds above its rating risks tubes not being securely retained by the foam compression at high rpm. Confirm that the insert's rated speed covers your intended operating speed before batch-processing valuable samples.
Consider a universal platform adapter for flexible use
Some vortex mixer manufacturers offer a universal platform adapter that replaces the cup head with a flat non-slip platform, accepting a wide range of vessel formats using a non-slip mat for retention. While less format-specific than a dedicated foam insert, a universal platform provides flexibility for less common vessel formats.
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<h2>Specifications context</h2>
&nbsp;
Foam inserts work by compressing foam around tube caps to provide frictional retention during high-speed oscillation; foam material and cell size determine tube sizes accommodated and maximum safe speed. As of 2026, inserts accommodating PCR strip tubes alongside microcentrifuge tubes in a single insert have become available, reducing the number of separate formats needed.
<a href="https://mbpinc.net/contact-us">Contact the MBP team</a> today to request a quote and find the right accessories for your vortex mixer.

Vortex Mixer Accessories

Foam Sheet, no holes (1 each)

BV1010-00 by Benchmark Scientific is a replacement foam sheet (no holes) for the BenchMixer XL (BV1010) multi-tube vortexer platform, sold as a single sheet.