12 Male Iron Pipe x 34 Male Garden Hose Thread Angle Valve Quick Connector, Holds Up To 250 PSI, 1 Piece, No Parts To Assemble Or Lose, Quick Connect Design Allows Quick Easy Connections Without The Use Of Installation Tools, Great For New Installations Or Plumbing Repair Projects For Pex, Copper CPVC Pipe, Just Cut Pipe Push Pex, Copper Or CPVC Tubing Into Fitting End Until Tubing Seats At Stop, Can Be Disconnected By Pulling Back On Ring Releasing Pipe, Code Approved For Behind Wall Without Access Direct In Ground Burial Installations, NSF14, NSF61, CSAASTM UPC Code Listed Approved, Excellent Replacement For Qest Flare It Type Fittings