Unbranded 4 in. Steel Backdraft Damper
BD-4
Categories
Description
Backdraft dampers with galvanized steel collar and lightweight aluminum damper blades. Spring loaded for positive closure against interior gasket. 4 in spring loaded back draft damper. Galvanized steel collar. Aluminum damper blades. Rubber gaskets for tight seal.
Manuals
| # | Title | Languages | Pages | Updated |
|---|---|---|---|---|
| 1 | Installation Guide | EN | 1 | 2019-08-07 |
| 2 | Warranty | EN | 2 | 2019-08-07 |