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DOLITY Back Damper Duct s Odor Resistant Butterfly Check Valve Public Blue S

<ul><li>Duct Adaptor with Butterfly Check Valve</li><li>Inline Extractor Fan Vent Back Draught Shutter</li><li>Backflow Preventer Draft Blockers Duct Adaptor</li></ul>

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Description:[BACKDRAFT DAMPER]: Square air duct connector with Check valve, made of material, resistant to oil and heat. The backdraft damper keeps odors and exhaust gases out of the house, prevent backflow. [WORKING PRINCIPLE] : 1. When the exhaust starts, the air pressure pushes the butterfly valve to open, and odor and exhaust is quickly discharged. 2. After the exhaust is completed, the pipeline butterfly valve will automatically close under the action of . The check valve will always remain closed to prevent the exhaust, dust and odor from entering the room. [VALVE OPENS AND CLOSES AUTOMATICALLY]: The Duct adaptor with butterfly Check valve design facilitates smooth opening of the valve when driven by during exhaust. After exhaust, the butterfly valve will automatically close under the action of . [EASY TO INSTALL] : Wall mount air duct check valve, with duct adapter rings, can be perfectly match with soft and hard duct. [WITH SEALING STRIP]: Backdraft damper for range hood with sealing strips reducing the wall, can be closely attached to the wall, enhance the sealing performance, no leakage, and ensure good sealing performance.Size Chart:S Size: 20.5cmx20.5cm/8.07inchx8.07inch,suit for 150~180mm diameter ducting hose.M Size: 21cmx21cm/8.27inchx8.27inch, suit for 160~180mm diameter ducting hose.L Size: 22cmx22cm/8.66inchx8.66inch, suit for 160~200mm diameter ducting hose.Package Includes:1 Backdraft DamperNote:Please allow slightly errors due to manual measurement and different monitors.

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Notice for Quebec Customers Protect it today, enjoy it for years. Get low-cost, great value protection that goes beyond the manufacturer’s warranty, keeping your product covered when you need it most. Protection covers: • Mechanical and electrical failures. • Defects in workmanship and materials from normal use. • Fast, easy online claims backed by our 3-Business-Day Service Guarantee. • 100% coverage for parts, labour and shipping - no deductibles or additional cost (pay $0 for approved claims). How the Plan works: 1. Add a Plan to your order. 2. Plan details will be emailed to you after completing your purchase. 3. Start a claim online anytime or by phone. We’ve got you covered up to the amount you paid, whether it’s a replacement, a refund or repairs. You can cancel within 90 days of purchase for a hassle-free refund, according to your plan terms. Limitations and exclusions apply. For more details, view the terms and conditions.