Premium Material:Different from other's, material of our vacumm breaker is Lead-Free brass,which is safety for drinking. Lead-Free Brass for corrosion resistance, high temperature ductility and low magnetic permeability.Meets ASSE 1011/CSA B64.2, Meets ANSI/NSF 61-9 Standard.
Application:Break-off screw for permanent attachment. Eliminates back-siphonage into water supply,anti-backflow valve for RV, garden spigot, outside water faucets, hose bibb, hydrants.
Easy To Use:3/4-inch female hose threaded inlet,3/4-inch male hose threaded outlet.The 3/4-Inch thread outlet is compatible with most of standard hose and end valves including hose bib, sillcocks, wall faucets and garden hose.
Package Include: 1 PCS Vacuum Breaker with 1 PCS extra red washers & 1PCS teflon tape.