Homewerks VACBFPZ4B 0.75 Brass Male Hose Thread Vacuum Breaker 793375

Prevents dangerous back siphon-age and back-flow into potable water supply. Brass construction with threaded connections, neoprene seat disc, rubber washer and steel set screw. Equipped with a protruding tip device for manual draining of faucet preventing freezing. Fits any 0.75″ male hose thread outlet. Break off attachment screw for permanent installation. Hose threads comply with ansi b1.20.7.