Starting at $304.64



  • Designed for single use
  • Unobstructed fluid path
  • Extremely low levels of extractables
  • Secure seal against plastic, glass and metal
  • For use with sterile connecting devices & thermal tubing sealers
  • Standard two- and three-port configurations
  • Compatible with 1-, 2-, and 3-liter flasks
  • System gamma irradiated


Saint-Gobain Bio-Simplex Flask Systems are the number one choice of the biopharmaceutical industry in single-use Flask assemblies. Bio-Simplex Erlenmeyer flask assemblies are available in no flask closure assembly and closure assembly with polycarbonate flask system packaging configurations. Standard 2 port configurations are available in 1, 2 and 3 Liter sizes, and as individually packaged Bio-Simplex closure assemblies or a complete packaged Bio-Simplex Erlenmeyer flask system. 

Bio-Simplex Closure Systems features the EZ Top assembly, made from USP Class VI compliant C-Flex thermoplastic elastomer (TPE) resin and tubing, and is engineered to ensure an unobstructed fluid path, extremely low levels of extractables and a secure elastomeric seal against plastic, glass and metal surfaces. The Closure Assembly includes C-Flex tubing with a choice of either male Luer connections or CPC quick disconnect fittings, a Bio-Simplex FlexJoint, 0.2 μm vent filter and polypropylene cap. Economically designed for the single use market, both the Bio-Simplex Assembly and System eliminate cleaning and risk of contamination from repeated use. They are easily used with sterile connecting devices and thermal tubing sealers.


• Biopharmaceutical
• Cell culture incubation
• Seed flask innoculation
• Bioreactor fed-batch / additions

In Stock

Part Number Price Available
$266.23 66 in stock

Interested in Other Part Numbers?

Other part numbers are available to order but are not currently in stock. Current availability for non-stock parts is "Usually ships in 26-30 weeks". Click here to select options