| Item model number | 6 inch backdraft damper |
|---|---|
| Batteries Required? | No |
| Color | Silver |
| Item Weight | 6.9 ounces |
| Batteries Included? | No |
| Size | 6 Inch |
| Package Dimensions | 6.26 x 6.26 x 3.66 inches |
| UPC | 705353463983 |
Check the listing for details. 6 Inch Draft Blocker Backdraft Damper Duct Draft Stopper One-Way Airflow Ducting. Color: Silver, Condition: New. Listed at 21.18 USD. 【Installation】The backdraft damper is installed by pushing it into the ventilation pipe as far as it will go. The position of the spring should be horizontal when the flap is installed horizontally so that it can be opened and closed optimally.