2PCS Kitchen Range Hoods Check Valve 80-100mm Pipe Double-Ended

2PCS Kitchen Range Hoods Check Valve 80-100mm Pipe Double-Ended Description

Backdraft DAMPER: Square air duct connector with check valve, made of material, to oil and heat. The backdraft damper keeps odors and exhaust gases out of , preventing backflow.
[Working Prime]: 1 When the exhaust starts, the air pressure pushes the butterfly valve to open, and odor and exhaust gas is quickly discharged. 2. After the exhaust is completed, the pipeline butterfly valve automatically close under the action of . The check valve always remain closed to prevent the exhaust gas, dust and odor from entering the room.
[ VALVE OPENS AND CLOSES INTERNATIONAL ]: The Duck Adaptor with butterfly check valve design facilities smoothly opening of the valve when driven by during exhaust After exhaust, the butterfly valve automatically close under the action of .

Color: White & Blue
Material: plastic

Package Contents:
2 x Range Hoods Check Valve

Only the above package content, other products are not included.
Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.