John Guest’s ProLock Stackable Tees are designed for use in the plumbing market and are available in sizes from 1/2” x 1/2” x 1/2” CTS up to 1” x 1” x 3/4” CTS. With these fittings, a manifold can be built in a matter of minutes, going in any direction needed. Its body is manufactured from high-quality engineered plastic allowing it to be UV-resistant outdoors, as well. Suitable for use with copper, PEX or CPVC pipe, these products require no tools to make secure, leak-proof connections. They are also lead-free and carry a 25-year warranty against defects in materials or manufacturing.

John Guest.