Description
These Corning® gray polypropylene vented caps have a 0.22 µm polytetrafluoroethylene (PTFE) hydrophobic membrane to allow sterile gas exchange while preventing contamination. They are autoclavable at 121°C, have a GL45 thread and use a linerless plug seal design for efficient sealing.
These are various sizes and types of screw caps for use with storage bottles.
