Camco Back Flow Preventer, 1/2" MPT x 1/2" FPT

Allows fluid to flow in only one direction. Prevents backflow. Brass check valves for use with pressure water systems. 2 sizes: 1/2" MPT x 1/2" FPT (1 per card) and 3/4" MPT x 3/4 FPT (priced each).