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| Dimensions | : | 10-3/4 in W x 4-1/2 in D x 10-3/4 in H |
| Finish | : | Galvanized |
| Material | : | Steel |
| Series | : | 411 |
| Type | : | Horizontal |
S&P Automatic Exhaust Damper, Horizontal, Series: 411, Steel, Galvanized, 10-3/4 in W x 4-1/2 in D x 10-3/4 in H
- Conduit knockout provided for ease of electrical hook up
- Easy to motorized
- Blades are 26 ga mill finish aluminum
- Blades open freely to allow full opening and closing
- Felt seal on leading edge of blades for quiet closing and better protection from the weather
- Nylon bushing and stainless steel pivot pins
- Tie rod attached to all blades for simultaneous opening
- Spring assist to allow blades to open quickly