- 4" Inch Backdraft Damper for Straight or Flex Duct. Bathroom Exhaust Fan. Kitchen Hood Exhaust Fan and Different Dryer Fan Backflow Preventer. Steel Damper with Aluminum Valve Flaps (4")
Product Description
- 4" Inch Backdraft Damper for Straight or Flex Duct. Bathroom Exhaust Fan. Kitchen Hood Exhaust Fan and Different Dryer Fan Backflow Preventer. Steel Damper with Aluminum Valve Flaps (4")
- Ø4 Inch steel backdraft damper with aluminum valve.
- For use with the Ø4 Inch Round flexible or straight Pipe Ducting systems
- Quick and easy to assemble - DIY Press on chosen duct - flex or straight - and by using montage glue. tape or steel clamps tighten the connection.
- Perfect for heating, cooling or air conditioning - HVAC. Bathroom and kitchen air exhaust.
- Heat-resistant from: -22 °F to 400°F. / Perfect for indoor and outdoor use
Technical Specifications
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