20HD/22HD/23HD

Heavy Duty Backdraft Damper, Single Thickness Blades, Aluminum / Steel Construction, 1" wg Max Pressure, 3000 fpm Max Velocity, 200° F Max Temperature, Vertical Mount Horizontal Airflow, Automatic, Manual or Motor Operated

Download Files:

20HD
- Submittal
  - Heavy Duty, Single Thickness Blades, Alum & Steel, 1"wg, 3000fpm, 200�F Max, Vert Mount Horz Airflow
22HD
- Submittal
  - Heavy Duty, Single Thickness Blades, Alum & Steel, 1"wg, 3000fpm, 200�F Max, Vert Mount Horz Airflow
23HD
- Submittal
  - Heavy Duty, Single Thickness Blades, Alum & Steel, 1"wg, 3000fpm, 200�F Max, Vert Mount Horz Airflow