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Lead Free Vacuum Breakers- 3/4" Female Hose Thread Inlet x 3/4" Male Hose Thread Outlet. Protect your household water supply from back-siphon.
- Anti-siphon hose vacuum breaker prevents contaminated water from siphoning into your water supply
- Break-off set screw to be used for permanent installation
- Not for frost proof hydrants or outside use in freezing climates
- ASSE 1011 Certified, NSF/ANSI 372 Certified Lead Free
