Legend INSTA-LOC II™ Push Fittings meet all standards for potable water systems. The fittings can be installed onto copper, CPVC or PEX and is removable. The forged brass fittings are made of no lead and DZR (dezincification resistant alloy) brass; configurations include elbows, caps, tees, couplings, and adapters, in sizes 1/2 in, 3/4 in and 1 in. They are rated 200 CWP at 250 deg F, maximum temperature. Third-party certified by UPC/IAPMO, in compliance with all State and U.S. Federal Public Law 111-380 for all no lead potable water installations.