The BD2A1 Backdraft damper offers backdraft protection in light to medium duty applications that demand less than 12 cfm per square foot of leakage at 1/2" w.g. It features:
A non-metallic blade to blade seal which provides quiet operation during the highest spot velocities.
Corrosion resistant aluminum construction.
Blades that overlap the frame for optimal weather protection
.
Technical specification
Unique ref.rd-00317-148
Product familyDampers for Air Ductwork
Product groupBackdraft and Pressure Relief Dampers