The kitchen valve is an indispensable tool for maintaining a clean cooking space. This valve effectively blocks the backflow of fumes, ensuring that your kitchen remains pleasant and clean. Its user-friendly design allows for easy installation and maintenance, making it a practical choice for any home cook. Features -Color:Black -Material:ABS -Size:21.00X18.50X6.00cm/8.25X7.27X2.36in -Efficient blocking: the kitchen backflow preventer and range hood exhaust vent cover effectively prevent grease from back flowing, ensuring a clean kitchen environment -Durable and reliable: made from durable materials, these parts are resistant to high temperatures and wear, providing performance -Easy to install: designed for user convenience, these range hood accessories can be easily installed without the need for professional help -Wide application: compatible with various range hood models, these parts are suitable for use in both residential and commercial kitchens -Cleaner kitchen environment: these components help reduce grease buildup, maintaining kitchen and protecting your kitchen surfaces Package list: 1PC Range Hood Check Valve, 4PCS screw, 4PCS bolt, 1PC foam strip