🌀 Keep your airflow fresh and flawless — no backdrafts, no compromises!
The AC Infinity 4" Backdraft Damper is a high-performance HVAC accessory designed to prevent unwanted airflow and debris from entering duct systems. Featuring spring-loaded aluminum blades and airtight rubber gaskets, it fits standard 4-inch ducts and mounts horizontally or vertically. Its galvanized steel, powder-coated body ensures durability, making it ideal for range hoods, bathroom fans, and other ventilation applications.
| Manufacturer | AC Infinity |
| Part Number | AC-BDD4-B |
| Item Weight | 11.2 ounces |
| Product Dimensions | 5 x 3.81 x 3.81 inches |
| Item model number | AC-BDD4-B |
| Size | 4" |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |
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