This high-quality SWING brand check valve is perfect for your in ground pool system. With a 4 inch diameter, it is compatible with all water types including fresh and pond water. The clear PVC material ensures durability and long-lasting use.

This NDS 1520C40 check valve is brand new and has never been used. It is ideal for maintaining the flow of water in your swimming pool system. The valve is easy to install and comes in a clear color that blends in seamlessly with your pool equipment.