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    Backdraft Damper, Vertical Mount, Product # BD330-12X12

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    Backdraft Damper, Vertical Mount, Product # BD330-12X12

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    Pressure Diff. Max
    2

    Max Velocity
    1500

    Frame Type
    No Flange

    • Complies with the International Energy Conservation Code (IECC) and ASHRAE 90.1 leakage requirements for non-motorized dampers
    • AMCA certified for Air Leakage and Air Performance
    • Width and height furnished approximately 0.125 in. under size

    • Shipping Type:
      Parcel
    View other BD-330 products
    $148.00
    In stock 
    532 on Hand
    Free shipping
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    Pressure Diff. Max
    2

    Max Velocity
    1500

    Frame Type
    No Flange

    • Complies with the International Energy Conservation Code (IECC) and ASHRAE 90.1 leakage requirements for non-motorized dampers
    • AMCA certified for Air Leakage and Air Performance
    • Width and height furnished approximately 0.125 in. under size

    • Shipping Type:
      Parcel
    View other BD-330 products

    The BD-330 is a vertical mount backdraft damper designed to allow horizontal airflow and prevent reverse airflow. The dampers are opened by air pressure differential and closed by gravity. The damper features a flangeless, galvanized steel frame with aluminum blades.

    California Residents-

    Prop 65 Warning
    Specifications
    Damper Width x Damper Height
    12 x 12 in
    Width
    12 in
    Height
    12 in
    Weight
    2 lbs
    Dim
    Value
    H
    11.875 in
    W
    11.875 in
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