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[Upgraded] Hon&Guan 8 Inch Duct Backdraft Damper, Draft Blocker One-Way Airflow Ducting Backflow Preventer Duct Draft Blocker, HVAC Inline Fan
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*Price and Stocks may change without prior notice
*Packaging of actual item may differ from photo shown
- Electrical items MAY be 110 volts.
- 7 Day Return Policy
- All products are genuine and original
- Cash On Delivery/Cash Upon Pickup Available
[Upgraded] Hon&Guan 8 Inch Duct Backdraft Features
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【Upgrade design】 The 8 inch damper has two new inwardly recessed ribs on the top and bottom, an increase in thickness to 0.6mm, and 3 springs instead of 2, ensuring that the product is more robust and less prone to damage.
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【Material】The 8'' backdraft damper and the flap leaves is made of a Galvanized steel to withstand temperatures up to 140°F, the Axis are made of aluminum, while the spring are made of carbon steel
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【Installation method】The 8 inch duct damper has an opening of 200 mm and a length of 88 mm. When installed horizontally, the springs should be positioned horizontally to allow for optimal opening and closing
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【Wide applications】Back draught valves can be inserted into ventilation ducts which are flexible or non-flexible. Designed for use with range hoods, bathroom fans, kitchen and other home HVAC applications
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【Lightweight valve wings】The valve wings open under the pressure created by the airflow; when the air flows in the opposite direction, it is automatically closed under the action of the spring, so as to cut off the flow. Rubber ring ensure 100% closure and quiet closing.
