Whether you are dealing with a washing machine drain or a floor drain, this check valve offers a practical solution to prevent backflow. Its sturdy construction and effective design make it a valuable addition to any plumbing system. By ensuring that water flows in the right direction, it helps to protect your home from potential water damage and related issues. Features -Color:Light Grey -Material:Silicone -Size:7.00X6.40X6.40cm/2.75X2.52X2.52in -Effective backflow prevention: efficiently stops water from flowing back, keeping your bathroom, kitchen, and washing machine areas dry -Specially designed for drains: created to prevent backflow and clogging, ensuring the protection of your drainage system -Versatile application: for use in bathrooms, kitchens, and washing machines, providing convenience and practicality -Expert craftsmanship: carefully constructed to ensure reliable prevention of water backflow and blockages -Easy installation process: can be installed easily without requiring professional tools, making the setup process quick and simple Package list: 2pcs x Drain valve