Designed for efficiency and reliability, the PVC Transparent Check Valve is suitable for use in various water applications. Its clear construction allows for easy inspection and monitoring of water flow, ensuring optimal performance. This anti-backflow valve is particularly useful in preventing water from flowing back into kitchen sinks, making it an essential tool for preventing potential water damage. 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 -Durable construction: crafted from robust PVC, this check valve offers excellent resistance to wear and high temperatures for extended durability -Backflow prevention: designed to prevent water from flowing backward, this valve helps to keep kitchen drainage systems keep from smells and waste water backups -Single direction flow: the feature ensures that water flows in a single direction, safeguarding the plumbing system from potential backflow issues -Userfriendly installation: with a straightforward design, this check valve can be easily installed in various kitchen drainage pipes without requiring tools -Clear visibility: the transparent PVC material provides a clear view of the water flow, making it easy to monitor and maintain the system Package list: 2 x valve