Color:N/A Attached to sill cocks, valves, and hydrants with Male hose threadoutlet. For indoor or outdoor use. Designed to prevent dangerous backsiphonage and back flow into a potable water supply. Furnished withbreak-a-way lock screw if vandal-resistant installation is desired. Fornonfreezing areas only. Designed to protect hose connections fromcontamination where temperatures do not get below freezing. Outlet side ofvacuum breaker has a manual drain release of check valve to allow completedraining of valve, but must be operated manually after hose is disconnected toprevent valve from freezing. I.A.P.M.O. and A.S.S.E. approved. 1 each perdisplay pack for peg hook hanging. Import.
