[Upgraded] Hon&Guan 8 Inch Duct Backdraft Damper, Draft Blocker One-Way Airflow Ducting Backflow Preventer Duct Draft Blocker, HVAC Inline Fan

Retail Value: $16.99

$5.00

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Condition: Open Box

Description

【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.
【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
【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
【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
【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.

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Location: DFW, TX

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