🌬️ Stop the backdraft, start fresh airflow – your ventilation’s new best friend!
This 4-inch backdraft damper features a galvanized steel body, aluminum flaps, and a stainless steel spring to prevent reverse airflow in ventilation ducts. Designed for easy push-in installation, it fits most rigid ducts and enhances air quality by stopping backflow in HVAC, exhaust, and heating systems.
| Manufacturer | dojobkinb |
| Item Weight | 4.6 ounces |
| Package Dimensions | 6.38 x 5.04 x 3.66 inches |
| Size | 4 Inch |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |
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