Dual Check Hose Connect. Vacuum Breaker, Size 3/4 in, Body Material Bronze, Temp. Range 33 Degrees F to 180 Degrees F, Max. Pressure 150 psi, Width 1 5/16 in, Height 2 11/16 in, Standards NSF, Compliance ASSE 1011, ASSE 1052, CSA B64.2, IAPMO