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Backdraft Damper 6 inch Wall Shutter Duct Draft Stopper Odor Resistant Air Duct Check Duct Adaptor Butterfly Check for Kitchen

<ul><li>6 inch backdraft damper vent for range hood</li><li>wall shutter air duct damper square</li><li>flue check exhaust check </li></ul>

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Description:BACKDRAFT DAMPER - Square air duct connector with Check , made of durable and eco friendly material, resistant to oil and heat. The backdraft damper keeps odors and exhaust gases out of the house, preventing backflow. WORKING PRINCIPLE - 1. When the exhaust starts, the air pressure pushes the butterfly to open, and odor and exhaust gas is quickly discharged. 2. After the exhaust is completed, the pipeline butterfly will automatically close under the action of gravity. The check will always remain closed to prevent the exhaust gas, dust and odor from entering the room. OPENS AND CLOSES AUTOMATICALLY - The Duct adaptor with butterfly Check design facilitates smooth opening of the when driven by during exhaust. After exhaust, the butterfly will automatically close under the action of gravity. EASY TO INSTALL - Wall mount air duct check , with duct adapter rings, can be perfectly match with 150mm hard duct and 160-180mm diameter soft and hard duct. WITH SEALING STRIP: Backdraft damper for range hood with sealing strips reducing the with the wall, can be closely attached to the wall, enhance the sealing performance, no leakage, and ensure good sealing performance.Package Includes:1 Backdraft DamperNote:Please allow slightly errors due to manual measurement and different monitors.

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