6 Inch Backdraft Damper Back Draft Vent Duct Shutter Blocker, Backflow Ducting Insert One-Way Airflow Preventer with Inline Springs Loaded Folding Blades, HVAC Extractor Range Fan Hood Deflector
Description
đ¨ Stop the Backflow, Boost Your Airflow!
- VERSATILE HVAC COMPATIBILITY - Perfect for AC units, dryer vents, exhaust fans, range hoods, and commercial or residential ventilation systems.
- SMART ONE WAY AIRFLOW CONTROL - Automatically opens and closes at low air volumes to prevent backdrafts and maintain optimal ventilation.
- DURABLE INDUSTRIAL GRADE MATERIALS - Galvanized steel body with aluminum flaps and stainless steel springs ensure long-lasting performance and corrosion resistance.
- EFFORTLESS TOOL FREE INSTALLATION - Push-in design fits flexible or rigid ducts for quick setup without extra hardware.
- AIRTIGHT SEAL FOR ENERGY EFFICIENCY - Rubber gasket and smooth-running springs create a tight seal to block cold air infiltration and reduce energy loss.
This 6-inch backdraft damper features a galvanized steel frame, aluminum blades, and stainless steel springs designed to withstand temperatures up to 50°C. It prevents unwanted airflow by automatically opening and closing with low air volumes, ensuring efficient ventilation for HVAC, exhaust, and range hood systems. Easy to install with a push-in design, it fits both flexible and rigid ducts, providing an airtight seal that enhances energy efficiency and comfort.
Specifications
| Manufacturer | Miuwauer |
| Item Weight | 7 ounces |
| Package Dimensions | 7.28 x 7.13 x 3.78 inches |
| Size | 6 Inch |
| Batteries Included? | No |
| Batteries Required? | No |
Reviews
B**R
Great product
Very sturdy and higher quality than most
R**F
Backdraft vent
Good price fast shipping excellent seller
L**R
Exactly what I was looking for đ
I really like the seal inside that the dampers seat against when closed. Fits perfectly in the 4" exhaust duct. Using it to seal out outside air from entering the indoor greenhouse through the exhaust fan duct.
T**S
quick to ship too
as described
K**S
Easy install!
Stops outdoor odors and easy to install!
A**R
DOES ALL THAT IT STATES ... NOT MADE CHEAPLY EITHER.
WELL MADE NOT ,,, DOES THE JOB,, I WOULD INSTALL THE UNIT.. WITH SWING BAR.... VERTICLE JUST IN CASE THE SPRINGS ,,, EVER BREAK OR EVEN U DO GET.... A OUTSIDE BACK DRAFT,, THE BREEZ WILL SHUT THE UNIT WINGS... AGAINST THE BACK STOP...
D**
Works as described
I put this on my exit exhaust vent on my portable air conditioner. It opens and closes as it should and prevents hot air from coming into the house very pleased and would recommend.
L**R
Great quality
I purchased 2 of these. Very pleased with them.
Common Questions
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