CP 1″ Threaded Male Pipe Inlet 90° Elbow with 3/4″ Female Cam Lock Outlet. Made with glass-filled polypropylene material and fitted with a 3/4″ EPDM gasket, this elbow is designed to change nozzle angle or clean up connection surfaces on the boom. It’s part of CP’s lineup of spray accessories, available in cam lock or threaded configurations for both 3/4″ and 1″ pipe connections.