Designed for kitchen drainage systems, the PVC Transparent Check Valve prevents backflow and ensures that water flows in only single direction. This one-way valve is essential for maintaining a clean water supply in kitchen sinks, preventing water from re-entering the system. The transparent construction allows for inspection, ensuring that the valve is functioning correctly. Features -Color:Sky-blue -Material:PVC -Size:13.00X11.00X10.50cm/5.11X4.32X4.13in -Outer diameter: 58mm -Inner diameter: 50mm -Wall thickness: 3.9mm -Exceptional PVC construction: crafted from robust PVC, this check valve is highly resistant to wear and high temperatures, ensuring longterm use -Effective backflow prevention: the antibackflow design effectively prevents water from reversing its flow, protecting kitchen drainage systems from smells and waste water backflow - functionality: the feature allows water to a single direction, safeguarding the plumbing system from backflow issues -Userfriendly installation: designed for ease of use, this check valve can be quickly and easily installed in various kitchen drainage pipes without requiring tools -Clear design: the transparent construction allows for easy monitoring of water flow, making it simple to check the valve's operation and perform maintenance as needed Package list: 1 x check valve