Prier 478-10 Features: Constructed of brass for years of reliable service Operated by easy-grip polycarbonate handle Anti-siphon vacuum breaker and backflow check valve Freezeless operation provides year-round source of water in areas that are subject to freezing 180 degree, half-turn operation Prier 478-10 Specifications: Inlet Diameter: 1/2" Outlet Diameter: 3/4" Connection Type: MPT, Sweat Insertion Length: 10"