Collection: Plumbing Backflow Preventer

Shower Drain Plug Backflow Preventer with Magnetic Closure Valve, Hair Catcher & Silicone Reducer Ring, Fits 1.9''-3.9'' ID Drains, Sewers, and Pipes

M76QT 1/2" Quarter Turn Hose Bibb FIP, 1/2-Inch Plumbing Valve

Anti-Siphon Backflow Preventer R620CT, 3/4-Inch FHT X 3/4-Inch MHT, Connects to Hose Bib and Drip Irrigation System, Blister Package, Plastic, Black

3 Inch Backwater Valve Drain Backflow Preventer Valve Prevent Sewage and Rainwater from Flowing Back(White PVC)

4-Pack Brass 3/4" Inch GHT Hose Bibb Connector Backflow Preventer Vacuum Breaker