Quiet Operation: Enjoy near-silent performance thanks to the spring-loaded flapper design on this sump pump check valve. It effectively reduces water hammer noise commonly associated with standard check valves, making it ideal for use in quiet areas such as basements or living spaces.Clear Visibility: The transparent body allows you to easily monitor water flow, ensuring the system is functioning properly, pipes are clear, and the pump is operating efficiently.Easy Installation: Designed to fit 1-1/2 inch schedule 40 pipe, this check valve integrates seamlessly into most existing plumbing setups. 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 the risk of repeated pumping cycles. This helps improve system efficiency and extends the life of your sump pump.Durable Construction: Features 304 stainless steel clamps and rubber couplings for long-lasting performance. These materials provide resistance to corrosion and ensure a leak-free, dependable connection.Color: Silver & Black Material: Plastic Package Contents: 1 x CV-150 Sump Pump Check Valve Note: Light reflection and differences in display screens may cause slight variations in color between the product image and the actual item. Measurement may vary by +/- 1-3 cm.