Transfer Caps

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Eliminates intermediate vessels for scale up & seed cultures

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Thomson Transfer Caps

Simple Aseptic Connections

Thomson Transfer Caps when used in conjunction with Optimum Growth® Flasks (patented) eliminates the need to move cells to an intermediate vessel for scale up or seed cultures. The ability to pump into the Optimum Growth® Flask makes filling with media from a bulk source a simple aseptic process. Transfer Caps in conjunction with the Thomson Optimum Growth® Flasks can be used for reagent addition, seeding of larger bioreactors or cell bags, pumping of media into flasks from large drums or bags of media and other liquid media transfers into and out of bioreactors.

Transfer Caps are compatible with the following Optimum Growth®Flasks 1.6L, 2.8L and our popular 5L.

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Inversion Transfer Caps

utilize gravity feed for the simple aseptic transfer of media or cells

Optimum Growth® Inversion Transfer Caps (patented) utilize gravity feed for the simple aseptic transfer of media or suspension cells to cell bags, bioreactors or flasks (from all manufacturers). 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.

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How to Transfer

Specific Inversion Transfer Caps in conjunction with 1.6L, 2.8L or 5L Thomson Optimum Growth® Flasks can be used for reagent addition, seeding of larger bioreactors cell bags, or other liquid media transfers

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Connection Options

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Visit More of the Optimum Growth® System

Optimum Growth® Flasks
Optimum Growth® Special Flasks
Rapid Clear® Cap
Accessories

Bidirectional Transfer Caps

utilize a peristaltic pump for easy aseptic transfer of media or cells

Optimum Growth® Bidirectional Transfer Caps (patented) with downstem, utilize a peristaltic pump for easy aseptic transfer of media or cells into and/or out of cell bags, bioreactors, and flasks (from all manufacturers).

Specific Bidirectional Transfer Caps work with the 1.6L, 2.8L and 5L Thomson Optimum Growth® Flasks (patented) and your peristaltic pump. Simply replace the vented cap included with each flask with the appropriate Transfer Cap and connect to your vessel of choice.

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How to Transfer or Feed

  1. In the hood replace the flask vent cap with the correctly sized Bidirectional Transfer Cap
  2. Connect to your receiving vessel by either Tube Fusing or using an available Luer Lock option
  3. Place the silicone tubing in the peristaltic pump head
  4. Liquid can then be pumped either into or out of the flask
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Connection Options

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Need Help Choosing the Right Transfer Cap?

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Optimum Growth® Inversion Transfer Cap Part Numbers

  • Inversion Transfer Cap for Optimum Growth® 1.6 & 2.8L Flask
    sterile
    7/16" O.D. Male Quick Connect | Sterile
    Use with Stand & Ring (931609)
    pn931706-4|4/case
    click for more details
  • Inversion Transfer Cap for Optimum Growth® 1.6 & 2.8L Flask
    sterile
    2' of C-Flex® 16 (O.D. 1/4") w/ Plug | Sterile
    Use with Stand & Ring (931609)
    pn931705-4|4/case
    click for more details
  • Inversion Transfer Cap for Optimum Growth® 1.6 & 2.8L Flask
    sterile
    2' of C-Flex® 24 (O.D. 7/16") w/ Plug | Sterile
    Use with Stand & Ring (931609)
    pn931708-4|4/case
    click for more details
  • Inversion Transfer Cap for Optimum Growth® 1.6 & 2.8L Flask
    sterile
    2' of C-Flex® 16 (O.D. 1/4") w/ Male Luer Lock | Sterile
    Use with Stand & Ring (931609)
    pn931710-4|4/case
    click for more details
  • Inversion Transfer Cap for Optimum Growth® 5L Flask
    sterile
    1/4" O.D. Barbed Quick Connect | Sterile
    Use with Stand & Ring (931606)
    pn931594-4|4/case
    click for more details
  • Inversion Transfer Cap for Optimum Growth® 5L Flask
    sterile
    7/16" O.D. Male Quick Connect | Sterile
    Use with Stand & Ring (931606)
    pn931596-4|4/case
    click for more details
  • Inversion Transfer Cap for Optimum Growth® 5L Flask
    sterile
    2' of C-Flex® 16 (O.D. 1/4") w/ Plug | Sterile
    Use with Stand & Ring (931606)
    pn931595-4|4/case
    click for more details
  • Inversion Transfer Cap for Optimum Growth® 5L Flask
    sterile
    2' of C-Flex® 24 (O.D. 7/16") w/ Plug | Sterile
    Use with Stand & Ring (931606)
    pn931598-4|4/case
    click for more details
  • Inversion Transfer Cap for Optimum Growth® 5L Flask
    sterile
    2' of C-Flex® 16 (O.D. 1/4") w/ Male Luer Lock | Sterile
    Use with Stand & Ring (931606)
    pn931616-4|4/case
    click for more details

Optimum Growth® BiDirectional Transfer Cap Part Numbers

  • Bidirectional Transfer Cap for Optimum Growth® 1.6L Flask
    sterile
    2' of C-Flex® 16 (O.D. 1/4") w/ Plug | Sterile
    Use with Peristaltic Pump
    pn931704-8|8/case
    click for more details
  • Bidirectional Transfer Cap for Optimum Growth® 1.6L Flask
    sterile
    2' of C-Flex® 16 (O.D. 1/4") w/ Male Luer Lock | Sterile
    Use with Peristaltic Pump
    pn931702-8|8/case
    click for more details
  • Bidirectional Transfer Cap for Optimum Growth® 2.8L Flask
    sterile
    2' of C-Flex® 16 (O.D. 1/4") w/ Male Luer Lock | Sterile
    Use with Peristaltic Pump
    pn931804-8|8/case
    click for more details
  • Bidirectional Transfer Cap for Optimum Growth® 5L Flask
    sterile
    2' of C-Flex® 16 (O.D. 1/4") w/ Plug | Sterile
    Use with Peristaltic Pump
    pn931614-8|8/case
    click for more details
  • Bidirectional Transfer Cap for Optimum Growth® 5L Flask
    sterile
    2' of C-Flex® 16 (O.D. 1/4") w/ Male Luer Lock | Sterile
    Use with Peristaltic Pump
    pn931618-8|8/case
    click for more details

Transfer Cap Ring & Stand Part Numbers

  • Stand with Ring for Inverting Optimum Growth® 1.6 & 2.8L Flasks
    non-sterile
    Use with 1.6 & 2.8L Inversion Transfer Caps
    Stand Height 22"
    pn931609|1/case
    click for more details
  • Stand with Ring for Inverting Optimum Growth® 5L Flask
    non-sterile
    Use with 5L Inversion Transfer Caps
    Stand Height 22"
    pn931606|1/case
    click for more details

Transfer Cap Ring Only Part Numbers

  • Ring Only for Inverting Optimum Growth® 1.6 & 2.8L Flasks
    non-sterile
    Use with 1.6 & 2.8L Inversion Transfer Caps
    Requires 22" Stand
    pn931700|1/case
    click for more details
  • Ring Only for Inverting Optimum Growth® 5L Flask
    non-sterile
    Use with 5L Inversion Transfer Caps
    Requires 22" Stand
    pn931607|1/case
    click for more details

Optimum Growth® Flask Carrier Part Numbers

  • 125mL 8 Position Carrier
    non-sterile
    Use with Optimum Growth® 125mL Flask (931110)
    Easily transport 8 125mL flasks at a time
    pn1212900|1/case
    click for more details
  • 250mL 8 Position Carrier
    non-sterile
    Use with Optimum Growth® 250mL Flask (931111)
    Easily transport 8 250mL flasks at a time
    pn1212905|1/case
    click for more details

Optimum Growth® Vent Cap Part Numbers

  • Optimum Growth® 125mL Vent Cap
    sterile
    PTFE 0.2µm for Increased Aeration | Sterile
    For Optimum Growth® 125mL Flasks
    pn899110|50/case
    click for more details
  • Optimum Growth® 250mL Vent Cap
    sterile
    PTFE 0.2µm for Increased Aeration | Sterile
    For Optimum Growth® 250mL Flasks
    pn899111|50/case
    click for more details
  • Optimum Growth® 500mL Vent Cap
    sterile
    PTFE 0.2µm for Increased Aeration | Sterile
    For Optimum Growth® 500mL Flasks
    pn899112|25/case
    click for more details
  • Optimum Growth® 1.6, 2.8 & 5L Vent Cap
    sterile
    PTFE 0.2µm for Increased Aeration | Sterile
    For Optimum Growth® 1.6, 2.8 & 5L Flasks
    pn899116|24/case
    click for more details

Optimum Growth® Solid Cap Part Numbers

  • Optimum Growth® 1.6, 2.8 & 5L Solid Cap
    sterile
    Evaporation Proof Storage Cap | Sterile
    For Optimum Growth® 1.6, 2.8 & 5L Flasks
    pn899600-B|24/case
    click for more details

Optimum Growth® Exhaust Cap Part Numbers

  • Bioreactor Exhaust Cap
    sterile
    2' C-Flex® (I.D. 1/4" x O.D. 3/8") Tubing | Sterile
    Use with Optimum Growth® 1.6L Flask & bioreactor
    pn931713-8|8/case
    click for more details

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