McMaster-Carr logo
    For Duct Shape
    For Duct Shape
    Round
    Rectangular
    For Cutout Width
    For Cutout Width
    3 3/4"
    6"
    6 1/8"
    6 1/4"
    6 3/8"
    8"
    10"
    12"
    16"
    18"
    24"
    For Cutout Height
    For Cutout Height
    2 1/2"
    3 7/8"
    4"
    6"
    8"
    12"
    14"
    18"
    Panel Material
    Panel Material
    Steel
    Aluminum
    Frame Finish
    Frame Finish
    Galvanized
    Black Coated
    Frame Material
    Frame Material
    Steel
    Aluminum
    Mount Type
    Mount Type
    Clamp On
    Screw
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    click to learn more about
    Gauge
    Gauge
    18
    20
    22
    Maximum Temperature
    Maximum Temperature
    200° F
    2300° F
    Gasket Material
    Gasket Material
    Rubber
    Ceramic Fiber
    Minimum Temperature
    Minimum Temperature
    -20° F
    Not Rated
    For Duct Height
    For Duct Height
    8"
    10"
    12"
    16"
    18"
    22"
    For Duct Width
    For Duct Width
    12"
    14"
    16"
    20"
    22"
    28"
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    Opening Height
    Opening Height
    2 5/8"
    8"
    Opening Width
    Opening Width
    4"
    8"
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    41 Products