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🔧 Stop drafts, start saving — the smart airflow upgrade your home deserves!
The AC Infinity 4" Backdraft Damper is a premium HVAC accessory designed to prevent backflow and debris intrusion in 4-inch duct systems. Featuring a galvanized steel body, spring-loaded aluminum blades, and dual rubber gaskets, it ensures airtight sealing and smooth one-way airflow. Ideal for range hoods, bathroom fans, and other ventilation applications, this durable damper enhances system efficiency while protecting your home environment.
| Asin | B0842XSTV9 |
| Best Sellers Rank | #13 in Heating & Cooling Ducting Products |
| Date First Available | 25 March 2020 |
| Item Model Number | AC-BDD4-B |
| Manufacturer | AC Infinity |
| Product Dimensions | 12.7 x 9.68 x 9.68 cm; 299 g |
User
Amazing product
Amazing
User
Nicht mal eine Anschlagsdämpfung
Das größte Außenmaß ist 206mm nicht 200mm. Die Klappen schlagen hart an und sind ungedämpft.Schöne Optik, aber mehr sicher nicht
User
Highly recommend Great Quality item
This company puts out "quality" items Something we dont see to often anymore. This item works great when exhaust fan turns on and closes nicely when fan is off. I like the rubber gasket Keeps cold air from coming back into house BigBox stores carry similar item BUT not as well made and more money Highly recommend
User
Works great.
Installed vertically so didn't have the problems of function other people have.However it's a pity that the description is wrong.1. It says that it is spring loaded.2. It states that it can be installed horizontal!
User
Precision built
This is not the first AC Infinity product I've bought. I already had an AC Infinity humidity sensing fan with a quality level that impressed me, so I decided this was the best brand when I needed a back draft baffle for my 8 inch kitchen fan exhaust. Similar build quality. You'd think this was a turbine engine part.
User
Very good looking and sturdy.
Unfortunately didn't use this as the fan they sent was the wrong one and now they haven't got the one i want in stock so returned everything and got the 16 inch airlift fan instead but it was a very nice looking piece of kit and i would of been very happy to have used this.
Trustpilot
1 day ago
1 month ago