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🚫❄️ Stop drafts, start comfort — your ducts’ new best friend!
The AC Infinity 100mm Backdraft Damper is a heavy-duty, spring-loaded one-way airflow insert designed for 4-inch ducting in range hoods, bathroom fans, and HVAC systems. Featuring a galvanized steel body with powder coat finish and airtight rubber gaskets, it prevents backflow, cold drafts, and debris while allowing smooth airflow with minimal resistance. Its versatile horizontal or vertical mounting and durable construction make it a must-have upgrade for efficient, draft-free ventilation.
| ASIN | B0842XSTV9 |
| Best Sellers Rank | 31,747 in DIY & Tools ( See Top 100 in DIY & Tools ) 78 in Ducting |
| Brand | AC Infinity |
| Colour | Black |
| Country of Origin | China |
| Customer Reviews | 4.5 4.5 out of 5 stars (1,871) |
| Item Dimensions | 12.7 x 9.7 x 9.7 centimetres |
| Manufacturer | AC Infinity |
| Material | Alloy Steel, Aluminium |
| Model Number | AC-BDD4-B |
| Part Number | AC-BDD4-B |
| Size | 4 Inch |
| UPC | 819137021303 |
| Unit Count | 1.0 count |
C**S
Top bit of kit
Brilliant, sorted out the air coming into the property instantly! Felt warmer straight away, and looks very tidy and good quality. FOr the price of it as well, cant fault it at all.
C**O
Very solid unit. Walls are easily 2-3x thicker than the cheap ebay one I had before. Great design and quality.
S**E
The AC Infinity products I’ve been getting all seen to be superior quality pieces (fan, collars, dampers). Couldn’t be happier. Shutters open easily but close solidly when there’s no air flow. Thank you a great product at a fair price!
T**E
Das größte Außenmaß ist 206mm nicht 200mm. Die Klappen schlagen hart an und sind ungedämpft. Schöne Optik, aber mehr sicher nicht
A**R
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
U**T
Bisher alles ok. Klappe funktioniert wie beschrieben. Einbau war einfach. Gutes Produkt. Sehr zu empfehlen.
ترست بايلوت
منذ يومين
منذ 5 أيام