







🚀 Breathe Easy with MIVIDE's Backdraft Damper!
The MIVIDE 2Pack 4 inch Backdraft Damper Duct is a high-quality, easy-to-install solution designed to ensure one-way airflow in various applications, including range hoods and bathroom fans. Made from durable galvanized steel, it features a smooth-running spring for automatic operation, making it ideal for preventing toxic fume buildup in residential and industrial settings.




| ASIN | B093KJ34Q8 |
| Best Sellers Rank | #82,929 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #140 in HVAC Ducting |
| Blade Length | 4 Inches |
| Blade Material | Plastic |
| Brand Name | MIVIDE |
| Color | 4 inch |
| Control Method | Touch |
| Controller Type | Button Control |
| Customer Reviews | 4.5 out of 5 stars 183 Reviews |
| Electric Fan Design | Exhaust Fan |
| Finish Type | Metallic |
| Indoor Outdoor Usage | Indoor |
| Is Electric | Yes |
| Is Product Cordless | No |
| Item Dimensions D x W x H | 0.02"D x 3.46"W x 3.94"H |
| Item Height | 3.94 inches |
| Manufacturer | Pei hong |
| Material | Stainless Steel |
| Model Name | MIVIDE |
| Model Number | 613966160321 |
| Mounting Type | Wall Mount |
| Number of Blades | 2 |
| Power Source | Corded Electric |
| Recommended Uses For Product | Exhausting |
| Room Type | Kitchen, Office |
| Style | Industrial |
| UPC | 613966160321 |
| Unit Count | 2.0 Count |
E**S
Best for the price
Great quality and works perfect
B**B
Worked great
These worked great. The gasket keeps any flow from backdraft Just note that they only fit over female end.
R**.
They seem to work just fine
I elected to vent two bathroom exhaust fans through a single roof vent. I installed these backdraft dampers to ensure exhaust from each bathroom traveled out the roof vent and didn't travel into the other bathroom. These dampers appear to meet my objective. I didn't venture onto the roof to see how much air volume is exiting the roof vent, but I ran each fan individually and checked the non-running fan opening for an signs of air movement from the fan into the room and didn't detect any. You need to install these dampers in a horizontal position and that took a few minutes to get right in my situation. Other than that , they installed easily with some clamps and foil tape.
J**N
Perfect as advertised
Perfect solution to this type of problem. High quality, simple, affordable.
J**O
One way air
They work perfectly
T**R
Nice quality and works great
I used these to prevent back flow when I joined 2 seldom used 4” vents together with a “Y” fitting. Nice quality and works well.
J**7
It initially worked as intended but weak spring
It initially worked as intended but after I turn the vent off the weak spring wasn't strong to push the dampers back in place fully. I would look elsewhere, as it kind of defeats the whole point of having a one way airflow if it don't stop the air flow from coming back.
A**D
Nice product
Easy to install perfect for a 2dryer home. Keeps them from steaming up when one or the other isnt running
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