- 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")

Introducing our top-of-the-line 4" Inch Backdraft Damper for Straight or Flex Duct. This incredible product is designed to ensure optimal airflow in your home or office. Whether you're dealing with bathroom exhaust fans, kitchen hood exhaust fans, or different dryer fans, our backflow preventer is the perfect solution. Made with high-quality steel and featuring aluminum valve flaps, this damper is built to last.

What sets our backdraft damper apart is its versatility. It can be used with both straight and flex ducts, making it suitable for various installation scenarios. With its quick and easy assembly process, even DIY enthusiasts can handle the installation without any hassle. Just press the damper onto your chosen duct - whether it's flex or straight - and secure the connection with montage glue, tape, or steel clamps. It's that simple!

Our backdraft damper is not limited to a single application. It's perfect for heating, cooling, or air conditioning systems (HVAC), ensuring efficient temperature control throughout your space. Additionally, it's ideal for bathroom and kitchen air exhaust, keeping your indoor air fresh and clean. With a heat resistance range from -22 °F to 400°F, this damper is suitable for indoor and outdoor use, making it incredibly versatile.

Don't settle for subpar products that can't stand the test of time. Choose our 4" Inch Backdraft Damper for Straight or Flex Duct and experience the difference in performance and durability. Enhance your ventilation system and enjoy improved air quality like never before. Get yours now and take control of your indoor environment!

Click here to order your 4" Inch Backdraft Damper now!