BD-20/22/23

Backdraft Damper, Single Thickness Blades, Aluminum / Steel Construction, 1" wg Max Pressure, 2500 fpm Max Velocity, 200° F Max Temperature, Vertical Mount Horizontal Airflow, Automatic, Manual or Motor Operated

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BD20
- Submittal
  - Single Thickness Blades, Alum & Steel, 1"wg, 2500fpm, 200�F Max
BD22
- Submittal
  - Single Thickness Blades, Alum & Steel, 1"wg, 2500fpm, 200�F Max
BD23
- Submittal
  - Single Thickness Blades, Alum & Steel, 1"wg, 2500fpm, 200�F Max