4-Pack 3/4" Brass Vacuum Breaker Set - Anti-Siphon Hose Bib Valve for Garden Spigot, RV Hose Connection & Backflow Prevention - Includes Teflon Tape & Extra Washers - Perfect for Outdoor Faucets, Irrigation Systems & RV Water Hookups

Specifications 3/4-inch female hose threaded inlet,3/4-inch male hose threaded outlet.The ¾-Inch thread outlet is compatible with most of standard hose and end valves including hose bib, sillcocks, wall faucets and garden hose. Certifications: Meets ASSE 1011/CSA B64.2, Meets ANSI/NSF 61-9 Standard. Resistance: Max. operating temp. rating: 180 F/82 C, Max. operating pressure rating: 125 PSI ATTENTION: Please keep away from the Vacuum Breaker when turning off the water as remained water will spray from the drain holes Clear standard thread COMPATIBILITY: The 3/4 Inch thread outlet is compatible with most of standard hose and end valves including sillcocks, wall faucets and garden hose. for Garden Spigot anti-backflow valve for garden spigot For House Eliminates back-siphonage into water supply for Swimming Pool Break-off screw for permanent attachment. for RV anti-backflow valve for RV

★Standard size3/4 inch thread fit most standard American hose. Break-off screw for permanent attachment.

★Package include 4 PCS Vacuum Breaker with 4 PCS extra black washers and 2 tape.

★Max. operating temp. rating 180 F/82 C, Max. operating pressure rating 125 PSI.

★Meets ASSE 1011/CSA B64.2, Meets ANSI/NSF 61-9 Standard.

★Widely Application：Can be used in RV, garden spigot, outside water faucets, hose bibs, hydrants.