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US Fan backdraft dampers are constructed of a rigid galvanized steel frame with double tie rods on the blades. Blades are industrial grade aluminum reinforced with steel rods. Nylon bearings are used to resist corrosion and prevent damper sticking making for quiet operation.
| US Fan 41109 Backdraft Damper | |
|---|---|
| SKU | U 41109 |
| Weight (in lbs) | 0.000000 |
| Brand/Manufacturer | ACP |
| Warranty | Two-year comprehensive warranty. |
| Resources | You will need Adobe® Acrobat® Reader to view PDF documents. |
