This 8-inch back draft damper by Atmosphere® is manufactured with galvanized steel and can be mounted directly in the ventilation duct to ease the installation. The two blades are opened by a spiral spring to prevent any malfunction. Furthermore, the dampers come with a gasket to insure a quiet and sealed operation.
- Neoprene damper seal minimizes leakage
- Requires from 0,04 to 0,08 inches wg pressure to open
- Simple installation in any position - entire assambly inserts into duct
| Color/Finish Family | Silver |
| Manufacturer Color/Finish | Silver |
| Rough Opening Height (in) | 8.00 |
| Rough Opening Width (in) | 8.00 |
| Weight (lb) | 0.00 |
| Automatic Shutter | Yes |
| Base Warranty Labor (Months) | 0.00 |
| Base Warranty Parts (Months) | 1.00 |
| Blade Material | Steel |
| Depth (in) | 8.00 |
| Drive Type | Direct drive |
| Fan Size (in) | 8.00 |
| Fan Speeds | 0.00 |
| Fan Type | Single |
| Housing Material | Steel |
| Maximum Cfm | 0.00 |
| Maximum Ventilated Area (Sq. Feet) | 100000.00 |
| Maximum Ventilated Area (Sq. Meters) | 0.00 |
| Series Name | Back Draft Damper |
| Thermal Overload Protection | No |
| Wall Switch Included | No |
| Warranty | 1-year limited |