Backdraft Dampers: Butterfly Dampers
Continental Fan Manufacturing BDD Series Backdraft Dampers with foam gasket to prevent air leakage. This Spring Loaded Butterfly Damper blocks and controls draft associated with HVAC and air movement equipment. 4" thru 16" Duct sizes available.
FAMCO Back Draft Damper in Connecting Sleeve. Opens with Normal Air Flow - Closes with Gravity. No Springs or Metal Hinges. Available Sizes 4" thru 20".
FAMCO Reversible Backdraft Butterfly Damper with Wall Vent. Positive Seal Backdraft Damper with Reversible Air Flow direction. Versatile Vent for Intake or Exhaust.
Advector Systems ROUND CEILING DIFFUSER with Adjustable Air Flow. Aerodynamic design gives balanced 360 deg Air Flow. Reduces Drafting.
Advector Systems ROUND CEILING GRILLE DIFFUSER with Adjustable Air Flow. Cover Plate for Remodel applications. Reduces Drafting and increases Comfort.
X VENT Box Single Exhaust Wall Vent Box with Back Draft Damper. Prevents Rain and Back Draft from entering Exhaust Vent duct. Clothes Dryer Vent and Exhaust Fan applications. VIDEO
XVENT Flush Mount Exhaust Vent Grille wirh Connector Wall Sleeve. Back Draft Damper. Prevents Rain and Back Draft from entering vent duct. Clothes Dryer Vent and Exhaust Fan applications. VIDEO
XVENT VERTICAL Dual Exhaust Wall Vent Box with Back Draft Damper. Prevents Rain and Back Draft from entering vent duct. Clothes Dryer Vent and Exhaust Fan Vent applications. VIDEO