Trade Size
    Trade Size
    3
    4
    5
    6
    7
    8
    9
    10
    12
    14
    16
    18
    20
    22
    24
    Shape
    Shape
    Straight
    Cap
    Connection Type
    Connection Type
    Press FitQuick-
    Disconnect
    Clamp
    Gender
    Gender
    Male
    Female
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    Blade Material
    Blade Material
    Steel
    Stainless Steel
    Aluminum
    End Construction
    End Construction
    Plain
    Crimped
    Rolled
    Airflow Damper Type
    Airflow Damper Type
    Standard
    Gasketed
    For Duct Shape
    For Duct Shape
    Round
    Square
    For Duct Width
    For Duct Width
    8"
    12"
    14"
    16"
    18"
    24"
    36"
    Overall Depth
    Overall Depth
    4 7/8"
    5 1/2"
    For Duct Trade Size
    For Duct Trade Size
    5
    6
    7
    8
    9
    10
    11
    12
    14
    For Duct Height
    For Duct Height
    8"
    12"
    14"
    16"
    18"
    24"
    36"
    Gasket Material
    Gasket Material
    Rubber
    Foam
    For System Type
    For System Type
    Coal
    Oil
    Natural Gas
    Propane
    Draft Damper Type
    Draft Damper Type
    Single Acting
    Double Acting