Copper 1/2" One-Way Check Valve – Anti-Backflow Threaded Size:Full copper 4 points Compatible with standard Schrader valves

Compatible with standard Schrader valves found on most cars

Edge Reinforcement: Heat-sealed with internal nylon rope

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Designed for true hands-free convenience

Copper 1/2" One-Way Check Valve – Anti-Backflow Threaded Size:Full copper 4 points Compatible with standard Schrader valvesCopper 1 2" One Way Check Valve Reliable Anti Backflow Protection Keep your plumbing system flowing in the right direction with this heavy duty Copper One Way Check Valve. Designed for 1 2" (4 point) threaded connections, this male threaded valve automatically prevents water from reversing direction, protecting your water heater, toilet supply lines, bathroom pipes, and water meters from backflow and pressure surges. Built from solid copper for