Industrial Backdraft Dampers - HB-120
Model HB-120 is a heavy duty industrial backdraft damper with a double-flanged channel frame and single thickness blades.
Pressure: Up to 8.5 in. wg (2.1 kPa)
Velocity: Up to 5150 fpm (26.2 m/s)
Temperature: -20°F to 180°F with seals; -20°F to 250°F without seals
(-29°C to 82°C with seals; -29°F to 121°C without seals)
30-day money-back guarantee
Shipping: 2-3 Business Days