1/2\" Brass Check Valve, 2 Pieces, One-Way Spring Loaded Check Valve, In-Line Female Thread, Non-Return

Includes: 2 1/2 inch in-line check valves for garden hose Check valve material: The brass in-line check valve is made of a vertical copper spring, precisely manufactured. Check action: The brass check valve keeps jet, centrifugal and submersible pumps primed, and prevents backflow into wells and irrigation systems. Dimensions: 1/2 Inch Female Thread Check ValveWARNING: Do not use this product with potable water systems. Brass check valves are widely used for pipeline (fuel, air, liquid, oil, gas) applications and connections.