45 mm Cap, Red Pbt, PTFE Lnr, 1 Case

Red PBT Screw Cap with PTFE Faced Silicone Liner for WHEATON? Lab 45TM Media Bottle 45mm (Case of 10)   
 
45mm screw caps with or without sealing ring
For high temperature applications, use the PBT (polybutylene terephthalate) screw caps and the ETFE (ethylene tetrafluoroethylene) pour lips which can withstand temperatures up to 200?C up to 2 hours
Autoclavable