The PVC sewer backflow preventer is an essential tool for maintaining a clean and -free plumbing system. Its high-capacity design allows for efficient drainage, while provides convenience and reliability. This product is good for both residential and commercial use, ensuring a good environment at all times. Features -Color:White -Material:PVC -Size:14.50X11.00X11.00cm/5.70X4.32X4.32in -Note:Suitable for 110mm diameter sewer -Sturdy and reliable: constructed from robust and good material, this backflow preventer is designed to withstand regular use, providing longterm durability and reliability -High flow efficiency: the high flow efficiency design ensures smooth drainage, minimizing the risk of blockages and maintaining optimal performance in your plumbing system -Effective and robust: the sewer cleanout cover offers functionality and robustness, making it an indispensable asset for keeping a drainage system pristine - design: the design helps keep your environment fresh by preventing unpleasant smells from escaping the drainage system, enhancing overall comfort -Quick installation: with its user-friendly design, this backflow preventer can be easily installed without the need for professional assistance or complex tools, making it a practical addition to your plumbing setup Package list: 3 x Sewer Cleanout Cap