【What do you get 】: 2 × Vacuum Breakers, 2 × Washers, 1 × Tape (About 350" long)
【Specifications】: 3/4 inch female hose threaded inlet × 3/4 inch male hose threaded outlet; max operating pressure is 125 psi; max operating temperature is 180°F/82°C
【Advanced Function】: Break-off screw for permanent attachment; eliminates back-siphonage into water supply; anti-backflow valve for most of standard hose and end valves including hose bibs, sillcocks, RV, garden spigot, outside water faucets, hydrants
【Drain Hole】: Reaching a certain water pressure, drain hole is able to drain the remained water in the pipe. WARNING : Please keep away from the product when turning off the water, remained water will be sprayed wet your clothes
★ Feature: Attached to sill cocks, valves, and hydrants with Male hose thread outlet. For indoor or outdoor use. Designed to prevent dangerous back siphonage and back flow into a potable water supply. Furnished with break-a-way lock screw if vandal-resistant installation is desired. For nonfreezing areas only. Designed to protect hose connections from contamination where temperatures do not get below freezing. Outlet side of vacuum breaker has a manual drain release of check valve to allow complete draining of valve, but must be operated manually after hose is disconnected to prevent valve from freezing.
★ Package include: 2 PCS Vacuum Breaker 2 PCS extra red washers.