- New
3545-10CP is an AquaLock 1/2" CTS plastic end cap designed for compatible copper, CPVC, PEX and CTS-rated tubing. Its push-to-connect design allows installation without tools or tube inserts. The fitting can be used for hot and cold water applications and features a polysulfone construction with an O-ring guide designed to provide a secure, leak-resistant connection. This model is supplied in a contractor pack.