Industrial Backdraft Dampers - HB-240
Model HB-240 industrial backdraft damper has standard extruded aluminum airfoil blades. The damper comes standard with Spark B and C construction with Spark A construction optional.
Pressure: Up to 13½ in. wg (3.4 kPa)
Velocity: Up to 5150 fpm (26.2 m/s)
Temperature: -40°F to 250°F (-40°C to 121°C)
Spark B & C construction, optional Spark A construction
30-day money-back guarantee
Shipping: 2-3 Business Days