Designed for kitchen sewer pipes, this PVC check valve features a transparent body for easy water flow observation. The anti-backflow valve for preventing reverse water flow, keeping your kitchen keep from sewer odors and potential water issues. Features-Color:Transparent-Material:PVC-Size:12.70X10.00X10.00cm/4.99X3.93X3.93in-PVC material: constructed from PVC, this check valve offers exceptional durability and resistance to wear-Clear valve body: transparent for inspection, making it simple to monitor water flow and detect any potential issues-Anti-backflow function: prevent backflow, this check valve ensuring that water flows in single direction only-Simple installation process: designed for ease of use, this check valve can be easily installed in your kitchen's plumbing system-Wide range of applications: suitable for various plumbing systems, this check valve can be used in kitchen sewer Package list: 1 x check valve