






🚪 Seal the deal on airflow—no more drafts, just pure ventilation vibes!
The 4-inch Draft Blocker Backdraft Damper is a robust ventilation accessory crafted from galvanized steel and aluminum, featuring a stainless steel spring for precise flap control. Designed for easy insertion into ventilation pipes, it prevents air backflow to enhance HVAC efficiency across residential and commercial settings.







| Manufacturer | dojobkinb |
| Package Dimensions | 12.7 x 11.91 x 9.5 cm; 132 g |
| Size | 4 Inch |
| Item Package Quantity | 1 |
| Batteries included? | No |
| Batteries Required? | No |
| Item Weight | 132 g |
Trustpilot
Hace 2 semanas
Hace 1 mes
Hace 3 semanas
Hace 2 meses