4 Pcs Anti Siphon Valve, Hose Bib Vacuum Breaker Set 3/4 Inch GHT Hose Backflow Preventer for Garden Spigot RV Hose Connection with Sealing Tape and Washers : Amazon.co.uk: Garden
WHK 10 Inch Frost Anti-Siphon Sillcock 1/2 Inch PEX BX 3/4 Inch Hose Bibb,Frost Proof Outdoor Faucet Bib with Vacuum Breaker-Frost Free Spigot PEX ...
Breezliy 2-Pack Brass Vacuum Breaker Set 3/4" Anti-Siphon Hose Bib Valve for Garden Spigot RV Hose Connection Backflow Preventer Connector with Tape ...