






🚫💨 Stop the backflow, start the comfort!
The 4 Inch Draft Blocker Backdraft Damper is a galvanized steel and aluminum airflow regulator designed to prevent backdrafts in ventilation systems. Easy to install in 4-inch ducts, it features a spring-loaded flap for optimal one-way airflow control, suitable for a wide range of residential and commercial applications including ACs, exhaust fans, and heating ducts.





| Manufacturer | Kikerike |
| Item Weight | 4.2 ounces |
| Package Dimensions | 5.43 x 5 x 3.78 inches |
| Size | 4 Inch |
| Color | Sliver |
| Item Package Quantity | 1 |
| Batteries Included? | No |
| Batteries Required? | No |
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