iPower 4 inch Shutter Back Draft Blocker, One-Way Airflow Ducting Insert Backflow Preventer with 2 Inline Springs Loaded Folding Blades, 4" Backdraft Damper, for HVAC Extractor Fan Vent, Range Hoods

Are you tired of dealing with unwanted airflows in your ventilation system? Look no further than the iPower 4 inch Shutter Back Draft Blocker. With its lightweight valve wings and two inline springs loaded folding blades, this backdraft damper ensures one-way airflow and prevents reverse airflow movement. Made with high-quality materials such as galvanized steel, aluminum, and stainless steel, this backflow preventer is built to withstand temperatures from 14 to 140 °F. Say goodbye to rattling noises with its internal foam strip and smooth-running spring, providing you with a peaceful and efficient ventilation system. Suitable for a wide range of applications including range hoods, bathroom fans, kitchen exhausts, and other home HVAC applications, this backdraft damper is an essential component for optimal HVAC ventilation.

Don't let reverse airflow ruin your comfort! The iPower 4 inch Shutter Back Draft Blocker is here to save the day. Designed with your needs in mind, this one-way airflow ducting insert ensures that air only flows in the desired direction. No more worrying about unwanted air infiltrating your ventilation ducts and compromising the performance of your HVAC system.

What sets this backdraft damper apart is its lightweight valve wings. These wings open effortlessly under the pressure created by the airflow, providing a seamless outflow while automatically closing when the system is turned off. Gone are the days of manually adjusting or monitoring the ventilation system. Let the iPower 4 inch Shutter Back Draft Blocker take care of it all!

Not only is this backdraft damper functional, but it also prioritizes your comfort. With its internal foam strip and smooth-running spring, you can bid farewell to annoying rattling noises. The specially designed spring ensures that the valve wings stay firmly in place, eliminating any potential disruptions in the airflow. Install it horizontally for optimal performance and enjoy a hassle-free ventilation experience.

With its wide application range, the iPower 4 inch Shutter Back Draft Blocker is the ultimate solution for your ventilation needs. Whether you have flexible or non-flexible ventilation ducts, this backdraft damper can be easily inserted to prevent reverse airflow movement. From range hoods to bathroom fans, kitchen exhausts to home HVAC applications, this backflow preventer is a must-have for anyone who values efficient airflow control.

Ready to enhance the performance of your ventilation system? Take the first step towards optimal airflow management by adding the iPower 4 inch Shutter Back Draft Blocker to your cart now! Click here to make your purchase and say hello to effortless ventilation.