4'' inch Galvanized Steel Backdraft Damper with Rubber Gasket for Round Duct
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Product details
| Management number | 230881022 | Release Date | 2026/06/18 | List Price | US$8.80 | Model Number | 230881022 | ||
|---|---|---|---|---|---|---|---|---|---|
| Category | |||||||||
KOM100U back-draft damper is installed in fan exhaust systems to prevent a backdraft of outside air when the fan is turned off. Air pressure opens the damper, which features spring-loaded butterfly damper blades and rubber gasket to ensure minimal leakage in closed position. Easily fits into your vent systems requiring only minimal labor and time. Installing a KOM100U damper reduces energy loss in your home.
- Sturdy construction of galvanized steel housing
- Aluminum butterfly damper blades
- Steel central rod
- Stainless steel torsion spring
- Rubber gasket
- Horizontal installation only
- Compatible with 4" duct
| Duct size | 4" |
|---|---|
| Material | Steel |
| Ducting type | Round Duct |
| Brand | VENTS |
| Size | 4" |
| Thickness | 4 in |
| Weight | 0.5 lb |
| Accessories | Rubber gasket |
| Color | Silver |
| Has written warranty | No |
| Pieces | 1 |
| Model | KOM100U |
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