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| Item | Backdraft Damper |
| Damper Size (in.) | 39 x 39 |
| Flange Width | 1" |
| Material | G-90 Galvanized Steel Frame, Aluminum Blades, Stainless Steel Pivot Pins, Nylon Bushings and Galvanized Steel Tie Rods. |
| Max. Velocity | 2250 fpm |
| Overall Size | 41 x 41 In. |
| Type | Roof Mount, Exhaust |
| Use W/dayton Ventilators | 4HX89, 4HZ01 |
| Ship weight (kg) | 8.55 |
| Ship height (cm) | 104.14 |
| Ship length (cm) | 11.43 |
| Ship width (cm) | 104.14 |
| HS code | 8414901080 |
| Country of Origin | US |
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