The PEI range of JG Twist & Lock fittings is offered in 1/2", 3/4" and 1" CTS sizes. The fittings are manufactured from high quality engineered plastic with EPDM 'O' rings ensuring a lead free connection. The Speedfit Push-In System is suitable for hot and cold water plumbing applications and requires no tools to assemble. Fully demountable should it be required and ensures extensive installation time savings.