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🔧 Stop drafts, start comfort — the smart airflow gatekeeper you didn’t know you needed!
The AC Infinity 6" Backdraft Damper is a premium one-way airflow duct insert designed for 6-inch ducting in range hoods and bathroom fans. Featuring spring-loaded aluminum blades and airtight rubber gaskets within a galvanized steel body, it prevents backdrafts, debris, and pests while ensuring smooth, efficient ventilation. Its versatile mounting and durable powder-coated finish make it a must-have upgrade for any modern HVAC setup.


















| ASIN | B0842XLY96 |
| Best Sellers Rank | #18,392 in Tools & Home Improvement ( See Top 100 in Tools & Home Improvement ) #27 in HVAC Ducting #460 in Pipe Fittings & Pipes |
| Brand Name | AC Infinity |
| Color | Black |
| Connector Type | AC Power Plug |
| Customer Reviews | 4.6 4.6 out of 5 stars (2,037) |
| Global Trade Identification Number | 00819137021310 |
| Included Components | Backdraft Damper |
| Item Dimensions | 5.12 x 5.79 x 2.28 inches |
| Item Weight | 1.3 pounds |
| Manufacturer | AC Infinity |
| Manufacturer Part Number | AC-BDD6-B |
| Material Type | Alloy Steel, Aluminum |
| Model Number | AC-BDD6-B |
| Size | 6 Inch |
| UPC | 819137021310 |
| Unit Count | 1 Count |
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