Cell Culture

PETG Bottle Accessories

<h2 dir="ltr">What are PETG Bottles with Accessories?</h2>
 PETG bottles with accessories are sterile, closed-system liquid storage and transfer assemblies combining a square PETG (polyethylene terephthalate glycol-modified) media bottle with a bi-directional transfer cap pre-fitted with TPE (thermoplastic elastomer) tubing and a terminal connector &mdash; Luer lock (male or female) or CPC (clamped pressure connector). The closed system allows aseptic media, serum, buffer, or pharmaceutical intermediate transfer between containers without open-pour steps, substantially reducing contamination risk and compliance burden in cGMP-regulated and BSL-2 laboratory environments.&nbsp; Choose PETG bottle assemblies for any liquid transfer workflow requiring an aseptic closed system &mdash; cGMP media dispensing, FBS aliquoting under sterile barrier, viral vector transfer, or pharmaceutical intermediate handling where open-pour steps are prohibited by SOP or regulatory requirement.
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<h2 dir="ltr">What you will find:</h2>
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<ul>
<li dir="ltr" aria-level="1">
1/4" ID TPE Tubing Systems with Female Luer Lock connectors
</li>
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1/4" ID TPE Tubing Systems with Male CPC connectors
</li>
<li dir="ltr" aria-level="1">
1/8" ID TPE Tubing Systems for precision fluid transfer
</li>
<li dir="ltr" aria-level="1">
1/8" ID TPE Tubing Systems with Female Luer Lock connectors
</li>
<li dir="ltr" aria-level="1">
1/8" ID TPE Tubing Systems with Male CPC connectors
</li>
<li dir="ltr" aria-level="1">
0.22&mu;m Vent Filter Assemblies for sterile pressure equalization
</li>
<li dir="ltr" aria-level="1">
Aseptic Transfer Caps with integrated sealing plugs
</li>
<li dir="ltr" aria-level="1">
Customizable Tubing Sets for closed-loop systems
</li>
</ul>
<h2 dir="ltr"> How to Choose PETG Bottle Assemblies</h2>
 Connector Type: Luer Lock vs. CPC Female Luer lock connectors (catalog 352503, 352506 series) mate with male Luer tips on syringe filters, tubing sets, and sterile sampling devices &mdash; the most common connector for inline sterile sampling and small-volume aseptic transfer. Male Luer lock connectors fit female Luer receptacles on peristaltic pump tubing and fluid path assemblies. CPC (clamped pressure connector, also called quick-connect) connectors provide a tool-free, dry-disconnect coupling between two fluid lines without dripping &mdash; used in bioreactor harvest lines, media feed assemblies, and bioprocess fluid path management. Tubing Size: 1/8" vs. 1/4" I.D. NEST assemblies are available with 60 cm TPE tubing in 1/8" I.D. &times; 1/4" O.D. (for low-flow, small-volume transfer with syringe or peristaltic pump at low speed) or 1/4" I.D. &times; 3/8" O.D. (for higher-flow transfer with standard peristaltic pumps). The 3/8" O.D. tubing is the standard for most bioprocess peristaltic pumps. Confirm pump head bore size against tubing O.D. before ordering. Bi-Directional vs. Standard Cap The bi-directional transfer cap in NEST PETG assemblies has a dual-port design: one port connects to the TPE transfer tubing (outflow or inflow path), and the cap as a whole seals the bottle neck during the non-transfer state. This design allows the bottle to function both as a source vessel (liquid out via tubing) and a receiver vessel (liquid in via tubing) without changing the cap assembly. Confirm whether your process requires one-way or two-way transfer before selecting the assembly format. Volume Options NEST PETG bottle assemblies are available in 250 mL, 500 mL, and 1,000 mL volumes, matching standard media, sera, and buffer kit sizes. The 250 mL assembly is standard for small-volume cGMP process sampling; 500 mL and 1,000 mL assemblies suit bulk media dispense and FBS aliquoting at scale. Standard Bottle vs. Assembly For applications that do not require tubing or connectors &mdash; routine cold storage of media, FBS thaw, and buffer archiving &mdash; standard NEST PETG square bottles with HDPE screw caps (catalog 352xxx without accessories) are available at a lower cost. The accessory assembly format is only necessary when closed-system transfer between containers is required.
<h2 dir="ltr"> Specifications Context</h2>
 NEST Scientific PETG bottle assemblies are manufactured under a cGMP quality system conforming to ISO 13485 and 21 CFR 820 (QSR). All components are USP Class VI; the complete assembly is gamma irradiated in the USA to SAL 10⁻⁶ and provided in double-bagged sterile packaging for cleanroom entry. Each lot is tested and certified free of endotoxins, pyrogens, DNase, RNase, and particulates. PETG material: USP Class VI, temperature range &minus;80 &deg;C to +60 &deg;C; TPE tubing: USP Class VI, biocompatible, platinum-cured equivalent. The bi-directional cap body is polycarbonate (PC); the tubing and connector are TPE and polypropylene (PP) or nylon, all USP Class VI. As of 2026, NEST PETG bottle assemblies are used in cGMP biopharmaceutical manufacturing, viral vector production (lentivirus, AAV), FBS aliquoting under sterile barrier, and academic cGMP pilot programs. 
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Maintain the highest standards of aseptic integrity with our specialized assemblies. <a href="https://mbpinc.net/contact-us">Reach out to the experts</a> at Molecular Biology Products Inc. for a quote and keep your fluid handling error-free.

PETG Bottle With Accessories

DataSheet

Product Literature

2L PETG Square Storage Bottle Transfer Cap, Bi-Directional Transfer Cap with TPE Tube (60cm, 1/4" ID, 3/8" OD), Female Luer Connector with Male Sealing Plug Vent Filter(0.22 µm, Membrane Area 13.8cm²), without Bottle, Sterile, 1/pk, 4/cs

C501AA-BHC060B by NEST Scientific is a bi-directional transfer cap for 2 L PETG square storage bottles. Pre-assembled with 60 cm TPE tube (1/4" ID × 3/8" OD), Female Luer connector with male sealing plug, and 0.22 µm vent filter (13.8 cm² membrane area). Sterile, 1/pk, 4/cs. Bottle not included.

Cell Culture Plates

<h2 class="p2"> What are Cell Culture Plates?</h2>
 Cell culture plates are sterile, single-use polystyrene multi-well vessels used to grow, treat, and analyze cells in parallel across multiple conditions in a single vessel. All formats are E-beam sterilized to SAL 10⁻⁶, certified DNase/RNase-free and non-pyrogenic, and individually wrapped in peelable film. Choose TC-treated flat-bottom plates for adherent mammalian cell culture, assays, and transfection; choose non-treated plates for suspension, hematopoietic, and hybridoma cells; choose glass-bottom plates for live-cell confocal and high-resolution fluorescence imaging.
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<h2 class="p1">What you will find:</h2>
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<ul>
<li data-section-id="1rzg2e5" data-start="0" data-end="138"><a href="cell-culture-plates/non-treated-cell-culture-plates">Non-Treated Cell Culture Plates:</a> Designed for suspension cultures and non-adherent cell lines where cell attachment is not required.</li>
<li data-section-id="1f2n3q2" data-start="140" data-end="295"><a href="cell-culture-plates/treated-cell-culture-plates">Treated Cell Culture Plates:</a> Tissue-culture-treated surface promotes reliable attachment and growth of adherent cells for routine culture and assays.</li>
<li data-section-id="1dji5w9" data-start="297" data-end="442" data-is-last-node=""><a href="cell-culture-plates/glass-bottom-cell-culture-plates">Glass Bottom Cell Culture Plates:</a> Glass-bottom wells provide superior optical clarity for high-resolution microscopy and live-cell imaging.</li>
</ul>
<h2 class="p2">&nbsp;</h2>
<h2 class="p2">How to Choose Cell Culture Plates</h2>
 Well Count by Application Scale 6-well plates (9.4 cm&sup2;/well) are the standard for transfection, siRNA knockdown, Western blot sample preparation, luciferase reporter assays, and colony counting &mdash; any protocol that requires &ge;5 &times; 10⁶ cells per condition. 12-well plates (3.8 cm&sup2;/well) support medium-scale culture for ELISA lysate preparation, flow cytometry staining, and viral infection studies. 24-well plates (1.9 cm&sup2;/well) are versatile for drug dose-response at medium throughput, primary cell culture, and viral plaque assays. 48-well plates (0.95 cm&sup2;/well) bridge 24-well and 96-well scale for intermediate throughput experiments. 96-well plates (0.32 cm&sup2;/well) are the workhorse for high-throughput cell viability (MTS, MTT, CCK-8), cytotoxicity, ELISA, reporter gene, and compound screening assays. 384-well plates are used for ultra-high-throughput screening (HTS), where reagent cost per well drives miniaturization. TC-Treated vs. Non-Treated vs. Glass Bottom TC-treated (vacuum plasma&ndash;treated, contact angle &lt;10&deg;) flat-bottom plates support adherent mammalian cell monolayer formation &mdash; required for HeLa, HEK293 (adherent), CHO-K1, Vero, A549, MCF-7, and primary cells. Non-treated plates maintain a hydrophobic surface that prevents attachment &mdash; used for suspension cell lines (Jurkat, K562, HL-60), hybridoma culture, and spheroid/organoid formation in U-bottom wells. Glass-bottom plates combine a polystyrene plate body with a borosilicate coverglass floor (0.16&ndash;0.19 mm thickness), matching the No. 1.5 coverglass standard required for confocal, TIRF, and super-resolution microscopy. Flat vs. Round (U) vs. V-Bottom Well Geometry Flat-bottom wells provide a flat imaging surface for phase-contrast and fluorescence microscopy, uniform cell monolayer coverage, and reliable OD measurements in plate readers. Round (U)-bottom wells concentrate cells and particles to the well centre by gravity &mdash; used for rosette assays, hemagglutination inhibition (HAI), and hanging-drop spheroid culture. V-bottom wells have a sharp vertex that pellets cells tightly for wash steps in flow cytometry and immunophenotyping panels. Plate Lid and Evaporation Management NEST Scientific cell culture plates ship with a clear polystyrene lid. For high-throughput assays running 72&ndash;96 hours, edge-well evaporation in 96-well and 384-well formats can introduce artefacts; NEST Low Evaporation EDGE plates have an inter-wall design that reduces edge-well evaporation by maintaining humidity in the peripheral wells during long incubations. 
<h2 class="p2"> Specifications Context</h2>
 NEST Scientific cell culture plates are manufactured from 100% virgin polystyrene in ISO 8 (Class 10,000) cleanrooms. TC treatment uses vacuum plasma technology; the lot-release criterion is contact angle &lt;10&deg;. All plates conform to ANSI/SLAS 1-2004 through 4-2004 footprint and well-position standards (SBS format), ensuring compatibility with automated liquid handling platforms, plate readers, and automated incubators. E-beam sterilization to SAL 10⁻⁶. Plates are individually wrapped in peelable Tyvek-equivalent film for GMP cleanroom entry; lids are attached. Alphanumeric well markings (A&ndash;H rows, 1&ndash;12 columns for 96-well) are standard across all formats. NEST Scientific is ISO 9001:2015 and ISO 13485 certified with FDA registration. As of 2026, MBP is a registered vendor for Howard Hughes Medical Institute, Vanderbilt University, and MD Anderson Cancer Center. 
Pick your format, culture your cells, and get consistent results every time. <a href="https://mbpinc.net/contact-us">Contact MBP </a>and get a tailored quote today!

<h2 class="p2">What are TC-Treated Cell Culture Plates?</h2>
 TC-treated (tissue culture&ndash;treated) cell culture plates are sterile, single-use multi-well polystyrene plates whose well surfaces have been modified by vacuum plasma treatment to introduce negatively charged oxygen-containing groups (carboxyl, carbonyl, hydroxyl), reducing the water contact angle from ~75&ndash;90&deg; (untreated PS) to below 10&deg; (hydrophilic). This surface modification directly enables attachment, spreading, and monolayer formation of adherent mammalian cell lines. TC-treated plates are the default format for all adherent mammalian cultures, cell-based assays, ELISA preparation, compound cytotoxicity screening, transfection, and gene expression studies.&nbsp; 
<h2 class="p1">What you will find:</h2>
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&bull; 6, 12, 24, 48, and 96 well formats for different workflows &bull; Tissue-culture-treated surfaces for reliable cell attachment &bull; Clear plates for easy monitoring under the microscope &bull; Uniform wells for consistent seeding and growth &bull; Sterile options to maintain clean conditions &bull; Lids designed to reduce contamination and evaporation
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<h2 class="p2">How to Choose TC-Treated Cell Culture Plates</h2>
 Well Format by Cell Number and Assay Type 6-well TC-treated plates (9.4 cm&sup2;/well) are the standard for Western blot preparation, siRNA transfection, viral infection, protein overexpression, and colony-forming unit (CFU) assays requiring &ge;3 &times; 10⁶ cells per condition. 12-well plates (3.8 cm&sup2;/well) suit medium-scale reporter assays, luciferase quantification, and ELISA from cell lysate. 24-well plates (1.9 cm&sup2;/well) are versatile for cytotoxicity dose-response in 4&ndash;6 conditions per plate, primary cell experiments, and viral plaque assays. 96-well flat-bottom TC-treated plates (0.32 cm&sup2;/well) are the universal format for cell viability (MTS, MTT, CCK-8), compound screening, ELISA, reporter gene assays, and qPCR lysate preparation across 8&ndash;12 concentrations with triplicate wells. 384-well plates reduce reagent cost per compound for HTS drug discovery programs. Lot-to-Lot TC Treatment Consistency For longitudinal drug screening, biomarker validation, or multi-site studies, lot-to-lot variation in TC treatment can alter cell attachment density, proliferation rate, and assay Z-factor. NEST Scientific verifies vacuum plasma treatment by water contact angle goniometry on each manufacturing lot; the release criterion is contact angle &lt;10&deg;. Request lot certificates when adopting TC-treated plates for GLP- or GMP-regulated assay workflows. Low-Evaporation EDGE Plates For 96-well dose-response assays running 72&ndash;96 hours, peripheral (edge) well evaporation can increase medium osmolality in the outer ring by 10&ndash;20% versus inner wells, introducing a systematic bias in IC50 determinations. NEST Low Evaporation EDGE 96-well TC-treated plates use an internal well ridge design that reduces edge-well evaporation during extended incubations. Use EDGE plates for any dose-response study where incubation time exceeds 48 hours. Cell Line Compatibility TC-treated NEST plates support attachment and monolayer culture of: HeLa (cervical), HEK293 (adherent), A549 (lung), MCF-7 (breast), U2OS (bone), CHO-K1 (ovary, adherent), Vero (kidney), MDCK (canine kidney), NIH 3T3 (mouse fibroblast), MRC-5, 2BS, 293T, L-929, and standard primary cultures including dermal fibroblasts, endothelial cells, and epithelial cells. Do NOT use TC-treated plates for Jurkat, K562, HL-60, suspension CHO-S, hybridomas, Sf9, Hi5, or any non-adherent cell line. Plate Reader and Automation Compatibility NEST Scientific TC-treated 96-well flat plates are compatible with all common microplate readers (BioTek Synergy H1, Molecular Devices SpectraMax i3x, PerkinElmer EnVision, BMG Labtech CLARIOstar) for absorbance, fluorescence intensity, and luminescence detection. Plates conform to ANSI/SLAS 1-2004 through 4-2004 SBS dimensions for automated liquid handlers (Tecan Fluent, Hamilton STAR, Beckman Coulter Biomek i7). 
<h2 class="p2"> Specifications Context</h2>
 NEST Scientific TC-treated cell culture plates are manufactured from 100% virgin polystyrene in ISO 8 cleanrooms. Vacuum plasma TC treatment is verified by water contact angle goniometry; the lot release criterion: contact angle &lt;10&deg;. Plates conform to ANSI/SLAS 1-2004 through 4-2004 SBS footprint. E-beam sterilized to SAL 10⁻⁶; DNase/RNase-free, non-pyrogenic per lot certificate. Clear polystyrene lids included; individually wrapped in peelable film. Alphanumeric well coordinates on all &ge;12-well formats. NEST Scientific is ISO 9001:2015 and ISO 13485 certified with FDA registration. As of 2026, NEST Scientific TC-treated plates across all core well formats (6- through 384-well) are stocked by MBP. 
Use treated plates when attachment drives your results. <a href="https://mbpinc.net/contact-us">Contact the MBP team</a> today to get reliable plates for keeping your cells anchored, healthy, and consistent across every well.&nbsp;

Treated Cell Culture Plates

384 Well Cell Culture Plate Specifications

384 Well Cell Culture Plate, flat bottom, Sterile

761001 by NEST Scientific — 384-well flat-bottom cell culture plate, TC-treated clear polystyrene, E-beam sterile (SAL 10-6), DNase/RNase-free, low-evaporation lid, individually wrapped. 1/pk, 100/cs. For HTS cell-based assays.

Manufacturer

384 Well Cell Culture Plate, clear, flat bottom, TC, sterile 1/pack, 100/cs

384 Well Cell Culture Plate, Black, Flat bottom, TC, Sterile, 1/pack, 100/cs

384 Well Cell Culture Plate, White, Flat bottom, TC, Sterile, 1/pack, 100/cs

384 Well Cell Culture Plate, clear, flat bottom, Non-Treated, sterile 1/pack, 100/cs

384 Well Cell Culture Plate, Black, Flat bottom, Non-Treated, Sterile, 1/pack, 100/cs

384 Well Cell Culture Plate, White, Flat bottom, Non-Treated, Sterile, 1/pack, 100/cs

Erlenmeyer Flasks Accessories

<h2 dir="ltr">&nbsp;What are Erlenmeyer Flask Accessories?</h2>
 Erlenmeyer flask accessories are the replacement caps, transfer cap assemblies, vent filters, and adapter fittings used alongside PC and PETG shake flasks to customize gas exchange, enable closed-system liquid transfer, and replace consumable caps between culture runs. Accessory selection determines whether a shake flask acts as a standard culture vessel, a sealed storage container, or a closed-system liquid transfer assembly in a cGMP workflow.
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<h2 dir="ltr">What you will find:</h2>
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<ul>
<li>Accessories compatible with high-efficiency Erlenmeyer flasks in 2 L, 3 L, and 5 L formats.</li>
<li>Available in bi-directional, inverted, and multifunctional transfer cap configurations.</li>
<li>Supports both standard-neck and wide-mouth 3 L flask designs.</li>
<li>Includes options with integrated silicon tubing for transfer applications.</li>
<li>Enables customization of flask workflows through interchangeable transfer cap accessories.</li>
</ul>
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<h2 dir="ltr">How to Choose Erlenmeyer Flask Accessories</h2>
 Vented Caps: Standard vs. Oversized Membrane Standard vented Erlenmeyer caps have a 0.22 &micro;m PTFE membrane in a small-diameter HDPE housing. NEST Scientific vented caps feature an oversized membrane area that increases the gas exchange surface, supporting higher oxygen mass transfer for dense suspension cultures at elevated shaker speeds. At 150 RPM with 20&ndash;25% fill, NEST oversized vented caps provide sufficient oxygen transfer for mammalian suspension cultures at densities up to approximately 5 &times; 10⁶ cells/mL. For cultures targeting densities above 10 &times; 10⁶ cells/mL in a standard shake flask format, a sparged bioreactor system is more appropriate. Plug Seal Caps: Autoclave vs. Non-Autoclave HDPE plug seal caps for NEST PC Erlenmeyer flasks are compatible with autoclave cycles at 121 &deg;C when loosened 1&ndash;1.5 turns before autoclaving to prevent steam pressure buildup. Plug seal caps for NEST PETG flasks are compatible with static incubation and transport but not autoclaving (PETG maximum temperature: +60 &deg;C). Confirm whether your accessory cap is rated for autoclave use before including it in a steam sterilization cycle. Transfer Cap Assemblies for Closed-System Culture NEST customized transfer cap assemblies combine an Erlenmeyer-compatible cap body with a bi-directional transfer port, TPE tubing, and a Luer lock or CPC connector &mdash; enabling aseptic inoculation, sampling, or media addition to a running shake flask culture without opening the flask. This closed-system capability is used in cGMP process development, GMP seed train management, and contamination-critical research workflows. Transfer caps are available in sizes matching NEST 125 mL, 250 mL, 500 mL, 1,000 mL, 2,000 mL, and 3,000 mL flask neck formats. Cap Sizing and Flask Compatibility Erlenmeyer flask caps are sized to the neck thread diameter of the flask. NEST Scientific PC and PETG Erlenmeyer flasks use proprietary screw-thread neck dimensions &mdash; confirm the specific cap catalog number matches your flask's neck size before ordering replacement caps. Do not mix cap brands across flask brands without verifying thread compatibility; mismatched caps create gas leaks at the vent membrane, contaminating cultures. Replacement Cap Frequency for Reusable PC Flasks For reusable PC flasks, replace the vented cap after each culture run to prevent membrane clogging from media splatter, condensation, and biofilm formation on the PTFE membrane. Reusing a contaminated or clogged vent membrane reduces gas exchange efficiency, creating a DO deficit that depresses cell growth without a visible contamination event. NEST vented caps for PC flasks are available in bulk packs for cost-efficient per-run replacement. 
<h2 dir="ltr"> Specifications Context</h2>
 NEST Scientific Erlenmeyer flask accessories &mdash; including replacement vented caps, plug seal caps, and transfer cap assemblies &mdash; are manufactured from USP Class VI HDPE (cap housing) and USP Class VI PTFE (0.22 &micro;m membrane), with TPE tubing in transfer assemblies. All accessory caps are sterile and non-pyrogenic per the lot certificate. The 0.22 &micro;m membrane pore size is the standard for microbial retention in cell culture venting applications. Transfer cap assemblies compatible with the NEST Erlenmeyer flask line are available in sizes for 125 mL through 3,000 mL flasks, individually wrapped in sterile packaging. NEST Scientific is ISO 9001:2015 and ISO 13485 certified.&nbsp; 
Power your scientific breakthroughs with high-precision labware.&nbsp;<a href="https://mbpinc.net/contact-us" title="the MBP team" style="color: #236fa1;">Contact the MBP team</a> today for bulk availability, technical specifications, and expert support.

Erlenmeyer Flask Accessories

3L High Efficiency Erlenmeyer Flask Bi-directional Transfer Cap

NEST Scientific C10222-AZB050B: bi-directional transfer cap for 3 L High Efficiency Erlenmeyer Flasks with 50 cm TPE tube (1/8" ID, 1/4" OD) and 0.22 µm vent filter. Enables closed-system liquid transfer without cap removal. Sterile, 1/pk, 4/cs. Order at <a href="https://www.mbpinc.net/quickorder">mbpinc.net/quickorder</a>.

3L High Efficiency Erlenmeyer Flask Bi-directional Transfer Cap with TPE Tube (50cm 1/8" ID 1/4" OD), Vent (0.22 μm Φ24mm), without Flask, Sterile, 1/pk, 4/cs

3L High Efficiency Erlenmeyer Flask Bi-directional Transfer Cap with TPE Tube (50cm 1/4" ID 3/8" OD), Vent Filter (0.22 μm Φ24mm), without Flask, Sterile, 1/pk, 4/cs

3L High Efficiency Erlenmeyer Flask Bi-directional Transfer Cap with Silicon Tube (50cm1/4" ID 3/8" OD), Male CPC Connector with Female Sealing Cap with, Vent Filter (0.22 μm Φ42mm), without Flask, Sterile, 1/pk, 4/cs

3L High Efficiency Erlenmeyer Flask Bi-directional Transfer Cap with Silicon Tube (50cm1/4" ID 3/8" OD), Female CPC Connector with Male Sealing Cap with, Vent Filter (0.22 μm Φ42mm), without Flask, Sterile, 1/pk, 4/cs

3L High Efficiency Erlenmeyer Flask Inverted Transfer Cap

NEST Scientific C10231-AZC050B is a sterile inverted transfer cap for 3 L High Efficiency Erlenmeyer Flasks — 50 cm TPE tube (1/8″ ID × 1/4″ OD), 0.22 μm vent filter (Φ42 mm), closed-system one-directional liquid transfer. Sold without flask. Sterile, 1/pk, 4/cs.

3L High Efficiency Erlenmeyer Flask Inverted Transfer Cap with TPE Tube (50cm 1/8" ID 1/4" OD), Vent Filter (0.22 μm Φ42mm), without Flask, Sterile, 1/pk, 4/cs

3L High Efficiency Erlenmeyer Flask Inverted Transfer Cap with TPE Tube ( 50cm 1/4" ID 7/16" OD), Vent Filter (0.22 μm Φ42mm), without Flask, Sterile, 1/pk, 4/cs

3L High Efficiency Erlenmeyer Flask Multifunctional Transfer Cap

C10211-AJE052B by NEST Scientific — multifunctional transfer cap for 3 L high efficiency Erlenmeyer flasks. Includes 52 cm TPE tube (1/8&quot; ID &times; 1/4&quot; OD), integrated sampling nozzle, 0.22 &mu;m &times; 50 mm vent filter. Sterile, cap only, 1/pk, 4/cs.

3L High Efficiency Erlenmeyer Flask Multifunctional Transfer Cap with TPE Tube (52cm 1/8" ID 1/4" OD) and a Sampling Nozzle, Vent Filter (0.22 μm Φ50mm), without Flask, Sterile, 1/pk, 4/cs

3L High Efficiency Erlenmeyer Flask Multifunctional Transfer Cap with TPE Tube ( 50cm 1/4" ID 7/16" OD), Vent Filter (0.22 μm Φ24mm), without Flask, Sterile, 1/pk, 4/cs

3L High Efficiency Erlenmeyer Flask Multifunctional Transfer Cap with Silicon Tube (100cm 3/16" ID 3/8" OD), Male CPC Connector with Female Sealing Cap, Vent Filter (0.22 μm Φ24mm), without Flask, Sterile, 1/pk, 4/cs

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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<ul>
<li dir="ltr" aria-level="1">
<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.
</li>
<li dir="ltr" aria-level="1">
<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.
</li>
<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>
</ul>
<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

Flyer

3L PC Wide-mouth High Efficient Erlenmeyer Flasks

786501 by NEST Scientific is a 3,000 mL wide-mouth polycarbonate (PC) Erlenmeyer flask with flat bottom, USP Class VI PC, PP plug seal cap, E-beam sterilized (SAL 10⁻⁶), DNase/RNase-free, and autoclavable to 121°C. Recommended at 75–125 RPM on orbital shakers; supplied 4/case with a 5-year shelf life. Designed for mammalian suspension cell culture, recombinant protein production, and insect cell workflows.

3L PC Wide-mouth High Efficient Erlenmeyer Flask, with Baffles, Seal Cap, Sterile, 1/pk, 4/cs

3L PC Wide-mouth High Efficient Erlenmeyer Flask, with Baffles, Vent Filter Cap, Sterile, 1/pk, 4/cs

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

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

3L Wide-mouth High Efficiency Erlenmeyer Flask Bi-directional Transfer Cap

C10322-AZB050B by NEST Scientific is a 3 L wide-mouth polycarbonate Erlenmeyer flask with baffles and a bi-directional transfer cap for contamination-free closed-system liquid transfer in mammalian and insect cell culture bioprocessing. The cap includes a 50 cm TPE tube (1/8&Prime; ID &times; 1/4&Prime; OD) and an integrated 0.22 &micro;m vent filter (&Phi;24 mm) for aseptic media addition and harvest. Manufactured to cGMP standards under ISO 13485 certification; sterile, 1/pk, 4/cs.

3L Wide-mouth High Efficiency Erlenmeyer Flask Bi-directional Transfer Cap with TPE Tube (50cm 1/8" ID 1/4" OD), Vent Filter (0.22 μm Φ24mm), without Flask, Sterile, 1/pk, 4/cs

3L Wide-mouth High Efficiency Erlenmeyer Flask Bi-directional Transfer Cap with TPE Tube (50cm 1/4" ID 3/8" OD), Vent Filter (0.22 μm Φ24mm), without Flask, Sterile, 1/pk, 4/cs

3L Wide-mouth High Efficiency Erlenmeyer Flask Bi-directional Transfer Cap with Silicon Tube (50cm1/4" ID 3/8" OD), Male CPC Connector with Female Sealing Cap with, Vent Filter (0.22 μm Φ42mm), without Flask, Sterile, 1/pk, 4/cs

3L Wide-mouth High Efficiency Erlenmeyer Flask Bi-directional Transfer Cap with Silicon Tube (50cm1/4" ID 3/8" OD), Female CPC Connector with Male Sealing Cap with, Vent Filter (0.22 μm Φ42mm), without Flask, Sterile, 1/pk, 4/cs

3L Wide-mouth High Efficiency Erlenmeyer Flask Inverted Transfer Cap

C10331-AZC050B by NEST Scientific is an inverted transfer cap for 3 L wide-mouth High Efficiency Erlenmeyer flasks. The inverted design allows near-complete closed drainage when the flask is flipped. Pre-assembled with 50 cm TPE tube (1/8" ID × 1/4" OD) and 0.22 µm PTFE vent filter (Φ42 mm). E-beam sterile, SAL 10⁻⁶. Cap only, 1/pk, 4/cs.

3L Wide-mouth High Efficiency Erlenmeyer Flask Inverted Transfer Cap with TPE Tube (50cm 1/8" ID 1/4" OD), Vent Filter (0.22 μm Φ42mm), without Flask, Sterile, 1/pk, 4/cs

3L Wide-mouth High Efficiency Erlenmeyer Flask Inverted Transfer Cap with TPE Tube (50cm 1/4" ID 7/16" OD), Vent Filter (0.22 μm Φ42mm), without Flask, Sterile, 1/pk, 4/cs

3L Wide-mouth High Efficiency Erlenmeyer Flask Multifunctional Transfer Cap

NEST Scientific C10311-AJE052B: multifunctional transfer cap for 3 L wide-mouth High Efficiency Erlenmeyer Flasks with 52 cm TPE tube (1/8" ID, 1/4" OD), integrated sampling nozzle, and 0.22 µm vent filter (Φ50 mm). Closed-system liquid transfer and in-process sampling without flask opening. Sterile, 1/pk, 4/cs. Order at <a href="https://www.mbpinc.net/quickorder">mbpinc.net/quickorder</a>.

3L Wide-mouth High Efficiency Erlenmeyer Flask Multifunctional Transfer Cap with TPE Tube (52cm 1/8" ID 1/4" OD) and a Sampling Nozzle, Vent Filter (0.22 μm Φ50mm), without Flask, Sterile, 1/pk, 4/cs

3L Wide-mouth High Efficiency Erlenmeyer Flask Multifunctional Transfer Cap with TPE Tube ( 50cm 1/4" ID 7/16" OD), Vent Filter (0.22 μm Φ24mm), without Flask, Sterile, 1/pk, 4/cs

3L Wide-mouth High Efficiency Erlenmeyer Flask Multifunctional Transfer Cap with Silicon Tube (100cm 3/16" ID 3/8" OD), Male CPC Connector with Female Sealing Cap, Vent Filter (0.22 μm Φ24mm), without Flask, Sterile, 1/pk, 4/cs

500mL PETG Square Storage Bottle Transfer Cap

NEST Scientific C51021-BBB060B: 500 mL PETG square storage bottle with bi-directional transfer cap, 60 cm Saint-Gobain TPE tube (1/4" ID, 3/8" OD), MPC connector, 0.22 µm PTFE vent filter. E-beam sterile SAL 10⁻⁶, ISO 7 cleanroom, USP VI. 1/pk, 10/cs. Order at <a href="https://www.mbpinc.net/quickorder">mbpinc.net/quickorder</a>.

500mL PETG Square Storage Bottle Transfer Cap, TPE Tube (60 cm 1/4" ID 3/8" OD), Male CPC Connector with Female Sealing Cap, Vent Filter (0.22 μm Φ24mm), without Bottle, Sterile, 1/pk, 10/cs

500mL PETG Square Storage Bottle Transfer Cap, TPE Tube (60cm 1/4" ID 3/8" OD), Female Luer Lock Connector with Luer plug, Vent Filter (0.22 μm Φ24mm), without Bottle, Sterile, 1/pk, 10/cs

500mL PETG Square Storage Bottle Transfer Cap, TPE Tube (60cm 1/8" ID 1/4" OD), Male CPC Connector with Female Sealing Cap, Vent Filter (0.22 μm Φ24mm), without Bottle, Sterile, 1/pk, 10/cs

500mL PETG Square Storage Bottle Transfer Cap, TPE Tube (60cm 1/8" ID 1/4" OD), Female Luer Lock Connector with Luer Plug, Vent Filter (0.22 μm Φ24mm), without Bottle, Sterile, 1/pk, 10/cs

PETG Square Bottles

<h2 dir="ltr">What are PETG Square Media Bottles?</h2>
 PETG square media bottles are single-use, sterile, square-footprint containers manufactured from glycol-modified polyethylene terephthalate (PETG) for storing tissue culture media, fetal bovine serum, PBS, HBSS, buffers, pharmaceutical intermediates, and pH-sensitive aqueous solutions. The square profile reduces cold-room and refrigerator footprint by approximately 25% compared to equivalent-volume round bottles, and flat sides prevent rolling during transport. PETG square bottles are the correct choice over PET when low-temperature stability to &minus;80 &deg;C is needed, when wall durability under cold-room handling is critical, or when closed-system accessory cap assemblies will be used for aseptic liquid transfer.
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<h2 dir="ltr">What you will find:</h2>
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30mL PETG Bottles &ndash; For micro-scale aliquots and stock sampling.
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60mL PETG Bottles &ndash; Compact size for small-volume buffer storage.
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125mL PETG Bottles &ndash; Standard size for routine media prep.
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250mL PETG Bottles &ndash; Ideal for general cell culture storage.
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500mL PETG Bottles &ndash; Optimized for mid-volume biological fluids.
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1000mL PETG Bottles &ndash; For bulk reagent storage and stock solutions.
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2000mL PETG Bottles &ndash; High-capacity for industrial-scale liquid handling.
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<h2 dir="ltr"> How to Choose PETG Square Media Bottles</h2>
 PETG vs. PET vs. PC PETG and PET are chemically similar but differ in crystallinity. PETG's glycol modification reduces polymer crystallinity, improving impact resistance, flexibility, and low-temperature stability. PETG is rated from &minus;80 &deg;C to +60 &deg;C; PET from &minus;60 &deg;C to +60 &deg;C; PC from &minus;135 &deg;C to +135 &deg;C. PETG and PET are both BPA-free and non-autoclavable. PC is autoclavable but BPA-containing. For low-temperature archival storage of serum, enzymes, and viral stocks below &minus;60 &deg;C, PETG is the appropriate single-use choice. Volume Selection by Application The 30 mL and 60 mL bottles suit single-use serum aliquots, enzyme dilutions, and small-scale media preparation for T25 or T75 flasks. The 125 mL and 250 mL formats cover standard T75 and T175 media changes. The 500 mL bottle aligns with standard FBS lot sizes and 500 mL media kit volumes. The 1,000 mL bottle stores a full 1 L media preparation or 1 L FBS aliquot. Each bottle includes 15% headspace above nominal volume for expansion during freezing and thawing. Graduated Markings: Molded vs. Printed NEST Scientific PETG square bottles feature molded graduations (not printed), which remain legible through repeated freeze-thaw cycles, solvent exposure, and autoclave label-remover use. Printed graduations on competing formats can abrade or smear over time. Molded graduations are an important quality checkpoint when selecting PETG bottles for long-term archival. Cap Design NEST PETG square bottle caps are HDPE, designed through a one-shot mold process without an inner gasket. The gasket-free design eliminates a potential leachable point and produces a tighter, more consistent seal under the torque applied during manual capping in a cold room or gloved biosafety cabinet environment. The external collar design provides a secure grip for easy sealing under gloves. Double-Bagged GMP Packaging NEST PETG square media bottles are available in double-bagged sterile packaging, meeting material entry requirements for GMP cleanrooms and ISO-classified bioprocess areas. Each inner bag is heat-sealed; the outer bag provides additional sterility protection against outer packaging damage during courier transit. Standard Bottle vs. Accessory Assembly For routine media and serum cold storage, standard PETG square bottles with HDPE screw caps are the appropriate, cost-effective format. When closed-system aseptic liquid transfer between containers is required &mdash; cGMP media dispensing, viral stock aliquoting, pharmaceutical intermediate handling &mdash; choose NEST PETG bottles with bi-directional transfer cap assemblies (TPE tubing + Luer lock or CPC connector). 
<h2 dir="ltr"> Specifications Context</h2>
 NEST Scientific PETG square media bottles are manufactured from 100% virgin PETG resin in ISO 8 (Class 10,000) cleanrooms. Both PET and PETG materials meet USP Class VI and USP &lt;661&gt; biocompatibility requirements and ISO 10993 quality system standards per NEST lot certificates. E-beam sterilization achieves SAL 10⁻⁶. Smooth inner surface minimizes liquid residue on the wall. Operating temperature: &minus;80 &deg;C to +60 &deg;C. HDPE cap is heavy-metal-free per regulatory testing. Shelf life: 3 years from production month. As of 2026, NEST Scientific is ISO 9001:2015 and ISO 13485 certified with FDA registration. 
In a field where a single leak can ruin weeks of data, precision is everything. <a href="https://mbpinc.net/contact-us" style="color: #236fa1; text-decoration: underline;">Contact the Molecular Biology Products Inc. team</a> for a quote and ensure your closed-system transfers stay flawless.

500mL PETG Square Storage Bottle with Bi-directional Transfer Cap

C51021-BBB060A by NEST Scientific is a 500&#160;mL PETG square storage bottle with bi-directional transfer cap, 60&#160;cm TPE tubing (1/8&#8243; ID × 1/4&#8243; OD), 0.22&#160;µm vent filter, and standard Luer connector. Sterile; DNase/RNase/pyrogen-free; BPOG-validated; manufactured under ISO&#160;13485/21&#160;CFR&#160;820. For aseptic closed liquid transfer in pharmaceutical and bioprocess workflows. Pack: 10/case.

500mL PETG Square Storage Bottle with Bi-directional Transfer Cap with TPE Tube (60cm 1/4" ID 3/8" OD), Male CPC Connector with Female Sealing Cap, Vent Filter (0.22 μm Φ24mm), Sterile, 1/pk, 10/cs

500mL PETG Square Storage Bottle with Bi-directional Transfer Cap with TPE Tube (60cm 1/4" ID 3/8" OD), Female Luer Lock Connector with Luer Plug, Vent Filter (0.22 μm Φ24mm), Sterile, 1/pk, 10/cs

500mL PETG Square Storage Bottle with Bi-Directional Transfer Cap with TPE Tube (60cm 1/4" ID 7/16" OD), Heat seal ,Vent Filter (0.22 μm 4.5cm²), Sterile, 1/pk, 10/cs

500mL PETG Square Storage Bottle with Bi-directional Transfer Cap with TPE Tube (60cm 1/8" ID 1/4" OD), Male CPC Connector with Female Sealing Cap, Vent Filter (0.22 μm Φ24mm), Sterile, 1/pk, 10/cs

500mL PETG Square Storage Bottle with Bi-directional Transfer Cap with TPE Tube (60cm 1/8" ID 1/4" OD), Female Luer Lock Connector with Luer Plug, Vent Filter (0.22 μm Φ24mm), Sterile, 1/pk, 10/cs

5L High Efficiency Erlenmeyer Flask Bi-directional Transfer Cap

NEST Scientific C10422-AZB090B is a sterile bi-directional transfer cap for 5 L High Efficiency Erlenmeyer Flasks — 90 cm TPE tube (1/8″ ID × 1/4″ OD), 0.22 μm vent filter (Φ24 mm), supports both media addition and culture drain through a single closed-system connection. Sold without flask. 1/pk, 4/cs.

5L High Efficiency Erlenmeyer Flask Bi-directional Transfer Cap with TPE Tube (90cm 1/8" ID 1/4" OD), Vent Filter (0.22 μm Φ24mm), without Flask, Sterile, 1/pk, 4/cs

5L High Efficiency Erlenmeyer Flask Bi-directional Transfer Cap with TPE Tube (50cm 1/4" ID 3/8" OD), Vent Filter (0.22 μm Φ24mm), without Flask, Sterile, 1/pk, 4/cs

5L High Efficiency Erlenmeyer Flask Bi-directional Transfer Cap with Silicon Tube (90cm1/4" ID 3/8" OD), Male CPC Connector with Female Sealing Cap with, Vent Filter (0.22 μm Φ42mm), without Flask, Sterile, 1/pk, 4/cs

5L High Efficiency Erlenmeyer Flask Bi-directional Transfer Cap with Silicon Tube (90cm1/4" ID 3/8" OD), Female CPC Connector with Male Sealing Cap with, Vent Filter (0.22 μm Φ42mm), without Flask, Sterile, 1/pk, 4/cs