Flask Closures
Thomson Instrument Company Ultra Yield 1.5 & 2.5L Vent Cap, Sterile | Use w/ 931138 and 931136 | CS24
Thomson Instrument Company Ultra Yield Flasks are designed to be either single use or autoclaved up to 3x, and feature a unique geometry that enhances gas exchange. The Ultra Yield system (flasks, Plasmid+ media and AirOtop seals) have proven over the last decade to improve yields up to 10x over traditional flasks with E. coli and other microbial cultures. These plastics flasks are designed to be fully scalable, fit standard clamp sizes and replace traditional glass flasks. All volumes, ranging from 125mL to 2.5L, can be shaken at the same speed, to optimize shaker utilization. Thomson Instrument Company manufactures its products in the USA to assure same day shipping.
Thomson Instrument Company Bidirectional Transfer Cap, 2' Tubing Weld to C-Flex 16, Sterile
Thomson’s Bidirectional Transfer Caps enable precise liquid handling in and out of bioreactors, cell bags, and Optimum Growth flasks—compatible with peristaltic pump setup. Designed for high-throughput facilities, these caps support flexible media exchange while maintaining a closed aseptic system.• Bi-directional design with luer locks, tubing, or quick connects enables aseptic media transfer, inoculation, or sampling into or out of 1.6L, 2.8L, 5L, and 7L flasks• Quick to assemble, reducing process downtime• Sterile, closed-loop design with multiple connection options enables seamless integration into custom systems while maintaining aseptic integrity• Flexible setup—compatible with common fluid transfer systems and pumps• Made in the USA and individually packaged for cleanroom use
Thomson Instrument Company AirOtop Enhanced Seal, Sterile | Use w/ 931144 | CS100
Thomson Instrument Company AirOtop™ Enhanced Flask Seals are a component of the Ultra Yield System designed to increase cell culture yields. These 0.2um seals are sterile, hydrophobic, disposable, allow for high gas exchange and are resealable for up to approximately 24 hours. Multiple sizes are available to keep all your flasks covered and are also compatible with glass flasks. Organisms tested exhibited increased cell density, a more neutral media pH and increased gas exchange rates. When AirOtop is used with the Ultra Yield and Plasmid+ media, customer data has shown yields increase by 610%. See Thomson Instrument Company application notes for experiment data. Thomson manufactures its products in the USA to assure same day shipping.
Thomson Instrument Company Vent Caps for Optimum Growth 125mL Flask and Ultra Yield 250mL Flask, Sterile
Designed for use with Optimum Growth 125 mL Flasks, this sterile vent cap features a 0.2 µm PTFE membrane for enhanced aeration while maintaining sterility. Ideal for cell culture and microbial applications requiring gas exchange, it offers reliable performance and secure flask compatibility.Flask Compatibility: 125mLMembrane: PTFEPore Size: 0.2µmSterility (SAL): 10⁻⁶
Chemglass Life Sciences Bonded Closure, Standard, 9mm, Blue, Open Hole, 0.40" PTFE/ Silicone with Slit
Bonded Closure, Standard, 9mm, Blue, Open Hole, 0.40" PTFE/ Silicone with Slit, Pack of 100
75cm2 Cell Culture Flask, Vent Cap, TC, sterile 5/pk, 100/cs
Tissue culture flasks are designed for the growth and maintenance of mammalian, microbial or insect cultures. Flasks are especially ideal for keeping seed cultures of cells that can be used to plate tissue culture plates and dishes. This model features a plasma etched surface suitable for adherent cell lines. -5 per sterile zip-lock bag, 20 packs per case, 100 flasks total-USP grade VI virgin polystyrene-TC treated - plasma etched for adherent cells-HPDE vented caps-75 cm² growth area-225mL total internal volume-15-22.5mL recommended working volume
Thomson Instrument Company Vent Caps for Optimum Growth 250mL Flask and Ultra Yield 500mL Flask, Sterile
Designed for use with Optimum Growth 250 mL Flasks, this sterile vent cap features a 0.2 µm PTFE membrane for enhanced aeration while maintaining sterility. Ideal for cell culture and microbial applications requiring gas exchange, it offers reliable performance and secure flask compatibility.Flask Compatibility: 250mLMembrane: PTFEPore Size: 0.2µmSterility (SAL): 10⁻⁶
Thomson Instrument Company AirOtop Enhanced Seal, Sterile | Use w/ 931141 | CS100
Thomson Instrument Company AirOtop™ Enhanced Flask Seals are a component of the Ultra Yield System designed to increase cell culture yields. These 0.2um seals are sterile, hydrophobic, disposable, allow for high gas exchange and are resealable for up to approximately 24 hours. Multiple sizes are available to keep all your flasks covered and are also compatible with glass flasks. Organisms tested exhibited increased cell density, a more neutral media pH and increased gas exchange rates. When AirOtop is used with the Ultra Yield and Plasmid+ media, customer data has shown yields increase by 610%. See Thomson Instrument Company application notes for experiment data. Thomson manufactures its products in the USA to assure same day shipping.
Thomson Instrument Company Bidirectional Transfer Cap, 2' Tubing w/ Luer Lock, Sterile
Thomson’s Bidirectional Transfer Caps enable precise liquid handling in and out of bioreactors, cell bags, and Optimum Growth flasks—compatible with peristaltic pump setup. Designed for high-throughput facilities, these caps support flexible media exchange while maintaining a closed aseptic system.• Bi-directional design with luer locks, tubing, or quick connects enables aseptic media transfer, inoculation, or sampling into or out of 1.6L, 2.8L, 5L, and 7L flasks• Quick to assemble, reducing process downtime• Sterile, closed-loop design with multiple connection options enables seamless integration into custom systems while maintaining aseptic integrity• Flexible setup—compatible with common fluid transfer systems and pumps• Made in the USA and individually packaged for cleanroom use
Thomson Instrument Company Inversion Transfer Cap, 7/16" Male Connection, Sterile |Use w/ 931116 | CS4
Thomson Instrument Company Optimum Growth™ Inversion Transfer Caps (patented) utilize gravity feed for simple aseptic transfer of media or suspension cells to cell bags, bioreactors or flasks (from any manufacturer). Specific Inversion Transfer Caps are designed to work with 1.6L, 2.8L and 5L Thomson Optimum Growth™ Flasks. Simply replace the vented flask cap included with each flask with the correct Inversion Transfer Cap and connect to your vessel of choice. Transfer connections available include male Luer lock, 7/16” OD male quick connect, ¼” OD barb quick connect or plugged end ideal for tube fusing. These products are individually packaged and sterilized for immediate use. The Optimum Growth system feature a unique low shear baffle design which increases aeration while maintaining cell viability and improving yields. Thomson Instrument Company manufactures its products in the USA to assure same day shipping.
Chemglass Life Sciences 20-400 Replacement Cap with Opening, Minum-Ware
20-400 Replacement Cap with Opening, Minum-Ware. Used with Viton O-Rings and threaded outer joints for making grease-free, vacuum tight seals on 14/10 MINUM-WARE glassware components. The 8-425 size is used on the sidearm of Hickman still head and MW-81 GC collection vial, while the 13-425 is used on the MW-56 two neck flask sidearm.
CELLTREAT Scientific Products Flask Cap, Plug Seal (fits 182cm2 & 600mL), Sterile
CELLTREAT Scientific Products Replacement Flask Cap. Replacement caps available for Tissue Culture Flasks. Plug seal cap fits 182 & 300cm¿ & 600 & 850mL flasks. Rnase/Dnase free and non-pyrogenic. Every case is printed with the lot number for quality traceability. Packaged sterile, 5/bag.
Quality Biological Inc Flask Cap, Plug Seal, Small (fits 12.5 & 25cm2, 25 & 50mL), Sterile, 5/CS
Flask Cap, Plug Seal, Small (fits 12.5 & 25cm2, 25 & 50mL), Sterile, 5/CS
Ace Glass, Inc. Closure, culture flask, plain, stainless, 16mm ID, cs/144
CLOSURE FLASK PLAIN 16MMID
