The BD6 backdraft damper is ideally suited to heavy duty applications and is AMCA certified for Leakage and Performance. It features:

• A static pressure control option, which enables field adjustment to maintain static pressures ranging up to .25″ w.g. for dampers up to 17.3 sq. ft and up to .75″ w.g. for dampers up to 6 sq. ft.
• Corrosion resistant aluminum construction.
• Weather protection provided by blades that overlap the frame.