The SharkBite multi-port tee allows for easy connection to PEX with improving install efficiencies and reducing the risk of installation errors. Minimizes the risk of leaks by eliminating excess connection points. All manifolds have a 1 in trunk with 3/4 in inlets and 1/2 in branches.Made from high-performance acudel polymerConnects to pipe with copper crimp rings or stainless steel clamp ringsApproved for behind the wall applications with no access panels