Wuxi Nest Cell Culture Flasks TPE Tube (50 cm, 1/4" ID, 7/16" OD), Heat seal, Vent Filter (0.22 μm, 13.8 cm²), Sterile Double Bag Package, 1 pc/pack, 4 packs/case, 4 pcs/case , C30223-DZC050B

Pre-assembled sterile transfer cap system for Erlenmeyer flasks that provides aseptic liquid transfer and gas exchange for cell culture applications. The cap includes an attached thermoplastic elastomer (TPE) external transfer tube and a pre-attached hydrophobic PTFE vent filter (0.22 μm) to enable sterile gas exchange and convenient sampling or transfer without changing vessels. The product is supplied double-bagged, E-beam sterilized, and lot-tested for use in cell culture workflows requiring contamination control.

Key Features:

• TPE external transfer tube: 50 cm length, 1/4" internal diameter, 7/16" external diameter
• Vent filter: hydrophobic PTFE membrane, 0.22 μm pore size, 13.8 cm² (as named)
• Packaging: sterile, double bag; 1 piece per pack, 4 packs per case (4 pcs/case)
• Tubing heat sealed to cap to ensure sterility; tubing weldable and compatible with tube welders
• E-beam sterilized and lot tested to SAL 10^-6; tested free of DNase/RNase, pyrogens, cytotoxins, and BSE/TSE

Advantages:

• Pre-assembled cap with tubing and vent filter reduces handling and contamination risk during transfers
• Hydrophobic 0.22 μm PTFE vent enables sterile gas exchange for direct incubation without vessel changes
• Heat-sealed, weldable TPE tubing supports aseptic connections and clean tube welding workflows
• Sterile double-bag packaging and comprehensive lot testing provide traceable cleanliness for cell culture use