About This The information below is per-pack only PREVENT WATER BACKFLOW - Our automatic anti-siphon valve with an atmospheric vacuum breaker protects your irrigation system and culinary system from water contamination. RELIABLE BACKFLOW PREVENTION - This anti-siphon valve ensures that water flows forward, preventing siphoning and backflow, keeping your lawn sprinklers and garden irrigation system safe. EASY INSTALLATION AND MAINTENANCE - With its above-ground installation on risers and integrated scrubber filter, our anti-siphon valve is designed for hassle-free setup and clog-free operation. COMPATIBLE AND VERSATILE - The 24 VAC solenoid of this valve is compatible with all major brands of 24 VAC irrigation controllers, making it suitable for different sprinkler and irrigation systems. OPTIMAL WATER CONSERVATION - For optimum water conservation, pair our anti-siphon valve with B-hyve controllers and PVC-Lock fittings to create an efficient sprinkler system. Overview Material : Plastic Brand : Orbit Item dimensions L x W x H : 6.1 x 6.1 x 3.1 inches Inlet Connection Size : 1 Inches Inlet Connection Type : Threaded Outlet Connection Type : NPT Number of Ports : 2 Outlet Connection Size : 0.75 Inches Manufacturer : Orbit