3/8", Sharkbite Push To Connect Elbow, Makes A 90 Degree Connection To Any Combination Of 3/8" Copper, CPVC Or Pex Pipe, Easy Way To Join Pipe & Do Not Require Soldering, Clamps, Unions, Glue Or Tools To Complete The Job, Just Insert The Pipe & The Stainless Steel Teeth Bite Down & Grip Tight, While A Specially Formulated O-Ring Compresses To Create A Perfect Seal, Disassembly Is Just As Fast Using The Simple Disconnect Tool, Can Be Rotated After Assembly For Easier Installation In Tight Spaces, Certified For Potable Water Supply & Hydronic Heating Applications.