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PP material, 20/case

Caps fit Corning media bottles, Erlenmeyer flasks and spinner flasks with standard GL threads.
Standard Plug Seal Caps are autoclavable and use a linerless plug seal design for efficient sealing.
Pouring Rings fit on the lips of bottles for drip-free pouring.
Autoclavable Vented Caps have a 0.22 µm polytetrafluoroethylene (PTFE) hydrophobic membrane.
The polybutylene terephthalate (PBT) High Temperature Caps can be sterilized at up to 180°C and have a Teflon® liner for sealing.
The Open Top Caps are polybutylene terephthalate (PBT) and require piercible silicone septa (sold separately) for sealing.
The Three Hole Delivery Cap has 1/4-28 threads at the top for use with 1/8” OD tubing. There is no need to precut tubing to reach the bottom of the reservoir. Just a quick quarter turn of the lock nut (from outside the reservoir) allows positioning of the PTFE tubing at any depth.