The PVC Transparent Check Valve is an essential component for preventing backflow in kitchen drainage systems. This one-way valve ensures that water flows in a single direction, preventing any unwanted . Ideal for use in kitchen sink plumbing, it helps maintain a clean environment by stopping contaminated water from re-entering the clean water supply. Easy to install, this valve fits seamlessly into existing PVC piping systems. 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 material: made from durable PVC material, this check valve is resistant to wear and high temperatures, ensuring use -Antibackflow design: effectively prevents water backflow, avoiding unpleasant smells and waste water backflow in kitchen drainage systems - function: features a function that allows water to only single direction, protecting the plumbing system from backflow -Easy installation: designed for simplicity, this check valve is easy to install in various kitchen drainage pipes without the need for professional tools -Transparent design: the clear PVC construction allows for easy observation of water flow, ensuring proper functionality and maintenance Package list: 5 x valve