This range hood anti-return valve is a must-have for any modern kitchen. It prevents the backflow of air, ensuring that your cooking remains away from unwanted . The valve is easy to install and integrates smoothly with your existing range hood setup, offering a practical way to improve your kitchen's ventilation. Features -Color:White -Material:ABS -Size:20.80X19.00X5.80cm/8.17X7.47X2.28in -Backflow prevention: the kitchen antireturn valve and range hood nonreturn valve offer backflow prevention, ensuring a smokefree kitchen -Robust and durable: crafted from sturdy materials, these valves are designed to withstand high temperatures and resist corrosion, ensuring longterm use -Simple installation: these accessories are easy to install, requiring no assistance, making the process quick and convenient -Extensive compatibility: compatible with numerous range hood models, these parts are suitable for various kitchen environments -Cleaner cooking area: effectively reduces and grease buildup, maintaining a cleaner and healthier kitchen Package list: 1 outlet 4 x screws