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1. This damper is suitable for regulating or shutting off the
airflow in air ducts with circular cross-sections
2. The damper is constructed with galvanized steel collar
and lightweight aluminum blades
3. Designed for vertical or horizontal mount
4. Spring-loaded for positive closure
5. One-Way directional airflow design
| DIAMETER(MM) (D) | HEIGHT(MM) (H) |
| 250x250 | 130 |
| 300x300 | 130 |
| 400x400 | 130 |
Backdraft Damper BDD-250
SKU: ADS0098
$30.00Price