Atmosphere Back Draft Damper - 12-in

  • Item#: 330615967
  • MFR#: BDD12
This 12-inch back draft damper by Atmosphere® is manufactured with galvanized steel and can be mounted directly in the ventilation duct to ease the installation. The two blades are opened by a spiral spring to prevent any malfunction. Furthermore, the dampers come with a gasket to insure a quiet and sealed operation.
  • Neoprene damper seal minimizes leakage
  • Requires from 0,04 to 0,08 inches wg pressure to open
  • Simple installation in any position - entire assambly inserts into duct
Color/Finish Family Silver
Manufacturer Color/Finish Silver
Height (in) 4.00
Rough Opening Height (in) 12.00
Rough Opening Width (in) 12.00
Weight (lb) 0.00
Width (in) 12.00
Automatic Shutter Yes
Base Warranty Labor (Months) 0.00
Base Warranty Parts (Months) 1.00
Blade Material Steel
Depth (in) 12.00
Drive Type Direct drive
Fan Size (in) 14.00
Fan Speeds 1.00
Fan Type Single
Housing Material Steel
Maximum Cfm 0.00
Maximum Ventilated Area (Sq. Feet) 100000.00
Maximum Ventilated Area (Sq. Meters) 0.00
Series Name Back Draft Damper
Thermal Overload Protection No
Wall Switch Included No
Warranty 1-year limited