Quiet Operation: Enjoy silent performance thanks to the spring-loaded flapper design of this sump pump check valve. It effectively reduces water hammer noise commonly caused by standard check valves, making it ideal for quiet environments such as basements or residential areas. Clear Visibility: The transparent body allows easy visual inspection of water flow, helping ensure proper system operation. Monitor for smooth water movement, detect potential blockages, and verify optimal pump performance. Easy Installation: Designed to fit 1-1/2 inch schedule 40 pipe, this check valve integrates seamlessly into existing plumbing systems. Its compact size requires only 5-1/8 inches of space, allowing for a secure fit with minimal effort. Reliable Backflow Prevention: Prevents discharged water from flowing back into the sump basin, reducing unnecessary pump cycling. This helps improve system efficiency and extends the life of your sump pump. Durable Construction: Built with 304 stainless steel clamps and rubber couplings for enhanced durability and resistance to corrosion. Ensures a secure, leak-free connection and long-term reliability. Color: Silver & Black Material: Plastic Package Contents: 1 x CV-150 Sump Pump Check Valve Note: Light reflection and differences in display settings may cause slight variations between the color shown in the image and the actual product. Measurement may vary by +/- 1-3 cm.