BD-72/73

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

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BD72
- Submittal
  - Automatic Supply Backdraft Damper, Single Thickness Blades, Alum, 1"wg, 2500fpm, 200�F Max
BD73
- Submittal
  - Automatic Supply Backdraft Damper, Single Thickness Blades, Alum, 1"wg, 2500fpm, 200�F Max