3" SS Double Check Valve Backflow Preventer Assembly, Domestic OSY Shutoffs, Flanged Inlet x Grooved Outlet, Cam-Check Valves

4" SS Double Check Valve Backflow Preventer Assembly, Domestic OSY Shutoffs, Grooved Inlet x Grooved Outlet, Cam-Check Valves

4" SS Double Check Valve Backflow Preventer Assembly, Domestic OSY Shutoffs, Grooved Inlet x Flanged Outlet, Cam-Check Valves

4" SS Double Check Valve Backflow Preventer Assembly, Domestic OSY Shutoffs, Flanged Inlet x Grooved Outlet, Cam-Check Valves

6 2000Ss-Dosy-Gxg

6" SS Double Check Valve Backflow Preventer Assembly, Domestic OSY Shutoffs, Grooved Inlet x Flanged Outlet, Cam-Check Valves

6 2000Ss-Dosy-Fxg

8" SS Double Check Valve Backflow Preventer Assembly, Domestic OSY Shutoffs, Grooved Inlet x Grooved Outlet, Cam-Check Valves

8" SS Double Check Valve Backflow Preventer Assembly, Domestic OSY Shutoffs, Grooved Inlet x Flanged Outlet, Cam-Check Valves

8 2000Ss-Dosy-Fxg