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Optimum Growth® Flasks | Avantor

Optimum Growth® Flasks

Optimum Growth® Flasks
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Optimum Growth® Flasks

12 Options Available Below

Product Details & Documents

Thomson’s patented Optimum Growth® Flasks are engineered for mammalian and insect cell culture, supporting applications from research to production. Available in a wide variety of sizes, these flasks support 40 to 50% fill capacity (vs. 33% in traditional shake flasks) and maintain consistent performance across scales, making them a leading choice for modern bioprocessing workflows.

  • Higher culture volume per flask helps grow more cells in the same shaker space, increasing throughput

  • Same footprint as standard Fernbach flasks, but with greater media capacity and less foaming
  • Unique low shear baffle design increases aeration while preserving cell viability
  • 0.2 μm PTFE vented caps maintain sterility and efficient gas exchange
  • Transfer cap options connect directly to cell bags or bioreactors (quick-connect, luer lock, or tube fusion)
  • Scalable across all sizes; supporting consistent shake speeds and growth conditions from 125 ml to 7 L
  • Easier to handle than bioreactor bags or bioprocess containers; no rocker bioreactor, pump, or complex tubing setup required
  • Individually packaged, double-bagged, and sterilized for cleanroom-ready use
  • Made in the USA with most products available for same-day shipping

The Optimum Growth® System also includes transfer caps and the Rapid Clear® Cap for clarification, offering a modular and cGMP-compliant platform for high-yield, scalable bioprocessing.

Product Family Options

Informations sur le produit

  • Désignation
    Capacité
    Color
    Sterility
    Cap Type
    Availability
    Price
  • Optimum Growth™ flask
    1.6 L
    Translucent
    Sterile
    Screw cap
    Log in pour la disponibilité
    Log in pour la disponibilité
    Case of 12
    Case of 12 - $766.00
    $766.00
    Case of 12
       $766.00
    La quantité minimale de commande est de 1

    Supplier Number: 931113
  • Optimum Growth™ flask
    2.8 L
    Translucent
    Sterile
    Screw cap
    Log in pour la disponibilité
    Log in pour la disponibilité
    Case of 6
    Case of 6 - $368.00
    $368.00
    Case of 6
       $368.00
    La quantité minimale de commande est de 1

    Supplier Number: 931114
  • Optimum Growth™ flask
    125 ml
    Translucent
    Sterile
    Screw cap
    Log in pour la disponibilité
    Log in pour la disponibilité
    Case of 50
    Case of 50 - $959.40
    $959.40
    Case of 50
       $959.40
    La quantité minimale de commande est de 1

    Supplier Number: 931110
  • Optimum Growth™ flask
    250 ml
    Translucent
    Sterile
    Screw cap
    Log in pour la disponibilité
    Log in pour la disponibilité
    Case of 50
    Case of 50 - $1,240.95
    $1,240.95
    Case of 50
       $1,240.95
    La quantité minimale de commande est de 1

    Supplier Number: 931111
  • Optimum Growth™ flask
    500 ml
    Translucent
    Sterile
    Screw cap
    Log in pour la disponibilité
    Log in pour la disponibilité
    Case of 25
    Case of 25 - $1,130.00
    $1,130.00
    Case of 25
       $1,130.00
    La quantité minimale de commande est de 1

    Supplier Number: 931112
  • Optimum Growth™ flask
    5 L
    Translucent
    Sterile
    Screw cap
    Log in pour la disponibilité
    Log in pour la disponibilité
    Case of 4
    Case of 4 - $519.00
    $519.00
    Case of 4
       $519.00
    La quantité minimale de commande est de 1

    Supplier Number: 931116
  • Optimum Growth™ flask, double bagged
    2.8 ml
    Translucent
    Sterile
    Screw cap
    Log in pour la disponibilité
    Log in pour la disponibilité
    Case of 6
    Case of 6 - $511.00
    $511.00
    Case of 6
       $511.00
    La quantité minimale de commande est de 1

    Supplier Number: 931114-DB
  • Optimum Growth™ flask, double bagged
    5 L
    Translucent
    Sterile
    Screw cap
    Log in pour la disponibilité
    Log in pour la disponibilité
    Case of 4
    Case of 4 - $587.00
    $587.00
    Case of 4
       $587.00
    La quantité minimale de commande est de 1

    Supplier Number: 931116-DB
  • Optimum Growth™ flask, double bagged
    250 ml
    Translucent
    Sterile
    Screw cap
    Log in pour la disponibilité
    Log in pour la disponibilité
    Case of 50
    Case of 50 - $1,430.00
    $1,430.00
    Case of 50
       $1,430.00
    La quantité minimale de commande est de 1

    Supplier Number: 931111-DB
  • Optimum Growth™ flask, double bagged
    500 ml
    Translucent
    Sterile
    Screw cap
    Log in pour la disponibilité
    Log in pour la disponibilité
    Case of 20
    Case of 20 - $831.00
    $831.00
    Case of 20
       $831.00
    La quantité minimale de commande est de 1

    Supplier Number: 931112-DB
  • Optimum Growth™ flask, double bagged
    1.6 ml
    Translucent
    Sterile
    Screw cap
    Log in pour la disponibilité
    Log in pour la disponibilité
    Case of 12
    Case of 12 - $794.00
    $794.00
    Case of 12
       $794.00
    La quantité minimale de commande est de 1

    Supplier Number: 931113-DB
  • Optimum Growth™ flask, double bagged
    125 ml
    Translucent
    Sterile
    Screw cap
    Log in pour la disponibilité
    Log in pour la disponibilité
    Case of 50
    Case of 50 - $1,040.00
    $1,040.00
    Case of 50
       $1,040.00
    La quantité minimale de commande est de 1

    Supplier Number: 931110-DB
Accessories

Informations sur le produit

  • Catalog #
    Material
    Connection
    Availability
    Price
  • Inversion transfer cap for 1.6 and 2.8 L flasks, with 0.2 µm PTFE vent, C-Flex® 24 tubing (⁷/₁₆"Ext.Ø.׳/₁₆"Int.Ø)
    Inversion transfer cap for 1.6 and 2.8 L flasks, with 0.2 µm PTFE vent, C-Flex® 24 tubing (⁷/₁₆"Ext.Ø.׳/₁₆"Int.Ø)
    76808-342
    Polypropylene
    Tube fuse (plug on terminus)
    Log in pour la disponibilité
    Case of 4 - $885.00

Informations sur le produit

  • Catalog #
    Ø
    Availability
    Price
  • Stand with ring for inverting 1.6 and 2.8 L Optimum Growth® flasks
    Stand with ring for inverting 1.6 and 2.8 L Optimum Growth® flasks
    76808-514
    5" ring
    Log in pour la disponibilité
    Each - $340.00

Informations sur le produit

  • Catalog #
    Sterility
    Availability
    Price
  • Optimum Growth® vent caps for 250 ml flasks
    Optimum Growth® vent caps for 250 ml flasks
    76808-546
    Sterile
    Log in pour la disponibilité
    Case of 50 - $641.00

Informations sur le produit

  • Catalog #
    Material
    Connection
    Availability
    Price
  • Inversion transfer cap for 5 L flasks, with 0.2 µm PTFE vent, C-Flex® 16 tubing (¹/₈"Int.Ø×¹/₄"Ext.Ø.)
    Inversion transfer cap for 5 L flasks, with 0.2 µm PTFE vent, C-Flex® 16 tubing (¹/₈"Int.Ø×¹/₄"Ext.Ø.)
    76808-348
    Polypropylene
    Male Luer Lock, tube fuse
    Log in pour la disponibilité
    Case of 4 - $1,030.00

Informations sur le produit

  • Catalog #
    Material
    Fits
    Availability
    Price
  • Bi-directional transfer cap for 1.6 L flasks, with threaded top, 0.2 µm PTFE vent, C-Flex® 16 tubing (¹/₈"Int.Ø×¹/₄"Ext.Ø.)
    Bi-directional transfer cap for 1.6 L flasks, with threaded top, 0.2 µm PTFE vent, C-Flex® 16 tubing (¹/₈"Int.Ø×¹/₄"Ext.Ø.)
    76808-322
    Polypropylene
    1.6 L flask
    Log in pour la disponibilité
    Case of 8 - $1,770.00

Informations sur le produit

  • Catalog #
    Ø
    Availability
    Price
  • Ring only for inverting 5 L Optimum Growth® flasks
    Ring only for inverting 5 L Optimum Growth® flasks
    76808-512
    7" ring
    Log in pour la disponibilité
    Each - $170.00

Informations sur le produit

  • Catalog #
    Material
    Fits
    Availability
    Price
  • Bi-directional transfer cap for 2.8 L flasks, with threaded top, 0.2 µm PTFE vent, C-Flex® 16 tubing (¹/₈"Int.Ø×¹/₄"Ext.Ø.)
    Bi-directional transfer cap for 2.8 L flasks, with threaded top, 0.2 µm PTFE vent, C-Flex® 16 tubing (¹/₈"Int.Ø×¹/₄"Ext.Ø.)
    76808-326
    Polypropylene
    2.8 L
    Log in pour la disponibilité
    Case of 8 - $1,770.00

Informations sur le produit

  • Catalog #
    Material
    Connection
    Availability
    Price
  • Inversion transfer cap for 5 L flasks, with 0.2 µm PTFE vent
    Inversion transfer cap for 5 L flasks, with 0.2 µm PTFE vent
    76808-332
    Polypropylene
    ¹/₄" Ext.Ø. barbed quick connect
    Log in pour la disponibilité
    Case of 4 - $734.00

Informations sur le produit

  • Catalog #
    Ø
    Availability
    Price
  • Ring only for inverting 1.6 and 2.8 L Optimum Growth® flasks
    Ring only for inverting 1.6 and 2.8 L Optimum Growth® flasks
    76808-516
    5" ring
    Log in pour la disponibilité
    Each - $170.00

Informations sur le produit

  • Catalog #
    Material
    Connection
    Availability
    Price
  • Inversion transfer cap for 1.6 and 2.8 L flasks, with 0.2 µm PTFE vent
    Inversion transfer cap for 1.6 and 2.8 L flasks, with 0.2 µm PTFE vent
    76808-334
    Polypropylene
    ⁷/₁₆" Ext.Ø. male quick connect
    Log in pour la disponibilité
    Case of 4 - $605.00

Informations sur le produit

  • Catalog #
    Material
    Connection
    Availability
    Price
  • Inversion transfer cap for 1.6 and 2.8 L flasks, with 0.2 µm PTFE vent, C-Flex® 16 tubing (¹/₈"Int.Ø×¹/₄"Ext.Ø.)
    Inversion transfer cap for 1.6 and 2.8 L flasks, with 0.2 µm PTFE vent, C-Flex® 16 tubing (¹/₈"Int.Ø×¹/₄"Ext.Ø.)
    76808-346
    Polypropylene
    Male Luer Lock, tube fuse
    Log in pour la disponibilité
    Case of 4 - $885.00

Informations sur le produit

  • Catalog #
    Dimensions
    Availability
    Price
  • 8-position carrier for 250 ml Optimum Growth® flasks
    8-position carrier for 250 ml Optimum Growth® flasks
    76808-362
    13.4×6"
    Log in pour la disponibilité
    Each - $1,210.00

Informations sur le produit

  • Catalog #
    Sterility
    Availability
    Price
  • Optimum Growth® vent caps for 125 ml flasks
    Optimum Growth® vent caps for 125 ml flasks
    76808-544
    Sterile
    Log in pour la disponibilité
    Case of 50 - $641.00

Informations sur le produit

  • Catalog #
    Sterility
    Availability
    Price
  • Optimum Growth® vent caps for 1.6 L, 2.8 L, and 5 L flasks
    Optimum Growth® vent caps for 1.6 L, 2.8 L, and 5 L flasks
    76808-554
    Sterile
    Log in pour la disponibilité
    Case of 24 - $603.00

Informations sur le produit

  • Catalog #
    Sterility
    Availability
    Price
  • Optimum Growth® vent caps for 500 ml flasks
    Optimum Growth® vent caps for 500 ml flasks
    76808-548
    Sterile
    Log in pour la disponibilité
    Case of 25 - $387.00

Informations sur le produit

  • Catalog #
    Material
    Connection
    Availability
    Price
  • Inversion transfer cap for 1.6 and 2.8 L flasks, with 0.2 µm PTFE vent, C-Flex® 16 tubing (¹/₈"Int.Ø×¹/₄"Ext.Ø.)
    Inversion transfer cap for 1.6 and 2.8 L flasks, with 0.2 µm PTFE vent, C-Flex® 16 tubing (¹/₈"Int.Ø×¹/₄"Ext.Ø.)
    76808-338
    Polypropylene
    Tube fuse (plug on terminus)
    Log in pour la disponibilité
    Case of 4 - $853.00

Informations sur le produit

  • Catalog #
    Material
    Fits
    Availability
    Price
  • Bi-directional transfer cap for 1.6 L flasks, with threaded top, 0.2 µm PTFE vent, C-Flex® 16 tubing (¹/₈"Int.Ø×¹/₄"Ext.Ø.)
    Bi-directional transfer cap for 1.6 L flasks, with threaded top, 0.2 µm PTFE vent, C-Flex® 16 tubing (¹/₈"Int.Ø×¹/₄"Ext.Ø.)
    76808-324
    Polypropylene
    1.6 L flask
    Log in pour la disponibilité
    Case of 8 - $1,770.00

Informations sur le produit

  • Catalog #
    Material
    Sterility
    Availability
    Price
  • Rapid Clear® cap 3000
    Rapid Clear® cap 3000
    76808-350
    Polypropylene
    Sterile
    Log in pour la disponibilité
    Case of 4 - $1,700.00

Informations sur le produit

  • Catalog #
    Dimensions
    Availability
    Price
  • 8-position carrier for 125 ml Optimum Growth® flasks
    8-position carrier for 125 ml Optimum Growth® flasks
    76808-360
    10.75×5"
    Log in pour la disponibilité
    Each - $1,210.00

Informations sur le produit

  • Catalog #
    Sterility
    Availability
    Price
  • Optimum Growth® 1.6 L flask and bioreactor exhaust caps
    Optimum Growth® 1.6 L flask and bioreactor exhaust caps
    76808-330
    Sterile
    Log in pour la disponibilité
    Case of 8 - $2,210.00

Informations sur le produit

  • Catalog #
    Material
    Connection
    Availability
    Price
  • Inversion transfer cap for 5 L flasks, with 0.2 µm PTFE vent
    Inversion transfer cap for 5 L flasks, with 0.2 µm PTFE vent
    76808-336
    Polypropylene
    ⁷/₁₆" Ext.Ø. male quick connect
    Log in pour la disponibilité
    Case of 4 - $605.00

Informations sur le produit

  • Catalog #
    Sterility
    Availability
    Price
  • Optimum Growth® low evaporation caps for 1.6, 2.8, and 5 L flasks
    Optimum Growth® low evaporation caps for 1.6, 2.8, and 5 L flasks
    76808-354
    Sterile
    Log in pour la disponibilité
    Case of 24 - $415.00

Informations sur le produit

  • Catalog #
    Material
    Fits
    Availability
    Price
  • Bi-directional transfer cap for 5 L flasks, with threaded top, 0.2 µm PTFE vent, C-Flex® 16 tubing (¹/₈"Int.Ø×¹/₄"Ext.Ø.)
    Bi-directional transfer cap for 5 L flasks, with threaded top, 0.2 µm PTFE vent, C-Flex® 16 tubing (¹/₈"Int.Ø×¹/₄"Ext.Ø.)
    76808-328
    Polypropylene
    5 L flask
    Log in pour la disponibilité
    Case of 8 - $1,770.00

Informations sur le produit

  • Catalog #
    Material
    Connection
    Availability
    Price
  • Inversion transfer cap for 5 L flasks, with 0.2 µm PTFE vent, C-Flex® 16 tubing (¹/₈"Int.Ø×¹/₄"Ext.Ø.)
    Inversion transfer cap for 5 L flasks, with 0.2 µm PTFE vent, C-Flex® 16 tubing (¹/₈"Int.Ø×¹/₄"Ext.Ø.)
    76808-340
    Polypropylene
    Tube fuse (plug on terminus)
    Log in pour la disponibilité
    Case of 4 - $885.00

Informations sur le produit

  • Catalog #
    Material
    Fits
    Availability
    Price
  • Bi-directional transfer cap for 5 L flasks, with threaded top, 0.2 µm PTFE vent, C-Flex® 16 tubing (¹/₈"Int.Ø×¹/₄"Ext.Ø.)
    Bi-directional transfer cap for 5 L flasks, with threaded top, 0.2 µm PTFE vent, C-Flex® 16 tubing (¹/₈"Int.Ø×¹/₄"Ext.Ø.)
    76808-320
    Polypropylene
    5 L flask
    Log in pour la disponibilité
    Case of 8 - $1,770.00

Informations sur le produit

  • Catalog #
    Material
    Connection
    Availability
    Price
  • Inversion transfer cap for 5 L flasks, with 0.2 µm PTFE vent, C-Flex® 24 tubing (⁷/₁₆"Ext.Ø.׳/₁₆"Int.Ø)
    Inversion transfer cap for 5 L flasks, with 0.2 µm PTFE vent, C-Flex® 24 tubing (⁷/₁₆"Ext.Ø.׳/₁₆"Int.Ø)
    76808-344
    Polypropylene
    Tube fuse (plug on terminus)
    Log in pour la disponibilité
    Case of 4 - $885.00

Informations sur le produit

  • Catalog #
    Ø
    Availability
    Price
  • Stand with ring for inverting 5 L Optimum Growth® flasks
    Stand with ring for inverting 5 L Optimum Growth® flasks
    76808-510
    7" ring
    Log in pour la disponibilité
    Each - $340.00

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