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Hon & Guan

Hon&Guan 10 inch Backdraft Damper, One-Way Airflow Ducting Insert Backflow Preventer Duct Draft Blocker, HVAC Inline Fan Vent

Hon&Guan 10 inch Backdraft Damper, One-Way Airflow Ducting Insert Backflow Preventer Duct Draft Blocker, HVAC Inline Fan Vent

Regular price $14.00
Regular price $29.00 Sale price $14.00
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Hon&Guan 10 inch Backdraft Damper, One-Way Airflow Ducting Insert Backflow Preventer Duct Draft Blocker, HVAC Inline Fan Vent

About this item

【Material】The 10‘’ duct 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 10 inch backdraft damper has an opening of 250mm and a length of 128mm. 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 hvac ducting 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.
【Backdraft Shutter】Hon&Guan Draft Blocker designed to improve ventilation by preventing air from re-circulating when the fans are not in use, rubber ring ensure 100% closure and quiet closing.

Condition: New With Box

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