The red Corning® polybutylene terephthalate (PBT) high temperature caps have 3 holes with 1/8" OD tubing. No need to precut tubing to reach the reservoir bottom, just a quick quarter turn of the lock nut (from outside the reservoir) allows positioning of PTFE tubing at any depth. These delivery caps have a GL45 thread, can be dry heat sterilized at up to 180°C and have a Polytetrafluorethylene (PTFE) liner for efficient sealing.
Product Family Description:
These are various sizes and types of screw caps for use with storage bottles.