The PVC Transparent Check Valve is a versatile solution for preventing backflow in household plumbing systems. Whether used in kitchen sinks, bathroom fixtures, or other water pipe installations, this one-way valve ensures that water flows in the intended direction. Its transparent design allows for inspection, making maintenance . Features -Color:Sky-blue -Material:PVC -Size:10.00X7.70X7.70cm/3.93X3.03X3.03in -Outer diameter: 55.4mm -Inner diameter: 50mm -Wall thickness: 2.7mm -Robust PVC material: constructed from PVC, this check valve is highly resistant to wear and high temperatures, ensuring longterm reliability -Effective backflow protection: prevents water from flowing backward, protecting kitchen drainage systems from unpleasant smells and waste water influence -Oneway flow control: the valve's oneway function allows water to pass through in only single direction, preventing backflow and maintaining system integrity -Easy installation: designed for ease of use, this check valve can be quickly and easily installed in various kitchen drainage pipes without professional assistance -Transparent construction: the clear PVC design allows for easy monitoring of water flow, ensuring the functioning correctly Package list: 1 x valve