PURPAVWINNER Kitchen Range Hood Backflow Valve Universal Exhaust Duct Check Valve for 150/160/180/190/200mm Chimney Pipe

Product Specifications

Prevents smoke backflow and odor crossover

Rapid smoke exhaust through large smoke outlet

Suitable for public smoke ducts

Dual gravity spring closure when not exhausting to prevent oil smoke reflux

Opens quickly to discharge smoke and odors, preventing odor backflow

Enhanced sealing strips and rear sealing design to prevent smoke leakage from uneven walls

Made of thickened ABS material for durability, deformation resistance, and aging resistance

Built-in leveler for easy and balanced installation even in complex environments