Installing the kitchen valve in your public restroom or kitchen exhaust . Simply to the existing ductwork to prevent backflow of smoke and odors. This check valve is particularly useful in commercial kitchens and public restrooms where maintaining air quality is crucial. Its robust construction ensures performance and minimal maintenance. Features -Color:Red -Material:Stainless steel -Size:18.00X14.00X5.00cm/7.07X5.50X1.97in -Nominal diameter: DN100mm -Nominal pressure: 1Mpa -High efficiency: the stainless steel exhaust hood valve effectively blocks the backflow of fumes, maintaining a fresh kitchen atmosphere -Versatile use: this portable extractor fan valve is ideal for both public restrooms and kitchens, suitable for use with range hoods and fire prevention systems -Robust construction: constructed from hightemperature and wearresistant materials, this exhaust valve makes sure longterm reliability -Simple installation: the extractor fan backflow valve is designed for easy installation, allowing you to set it up without help -Enhanced safety: in addition to fire prevention, this valve also prevents smoke and mouse from entering your kitchen, ensuring and clean environment Package list: 1 x check valve