McMaster-Carr logo
    For Duct Trade Size
    For Duct Trade Size
    6
    7
    8
    10
    12
    14
    Mounting Location
    Mounting Location
    Ceiling
    Wall
    Material
    Material
    Steel
    Plastic
    Finish
    Finish
    Painted
    Galvanized
    Diffuser Shape
    Diffuser Shape
    Square
    Round
    Shape
    Shape
    Cap
    Straight
    Cover Style
    Cover Style
    Louvered
    Perforated
    Plaque
    Grid
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    click to learn more about
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
    For Opening Height
    For Opening Height
    4"
    6"
    8"
    10"
    12"
    14"
    16"
    For Opening Width
    For Opening Width
    8"
    10"
    12"
    14"
    16"
    Louvered Diffuser Style
    Louvered Diffuser Style
    1-Tier
    2-Tier
    3-Tier
    Back Panel Material
    Back Panel Material
    Steel
    Fiberglass
    Opening/Closing Style
    Opening/Closing Style
    Butterfly
    Radial
    Length
    Length
    11 1/4"
    23 3/4"
    31"
    Overall Diameter
    Overall Diameter
    10"
    12"
    12 1/8"
    14"
    16"
    18"
    Mounting Orientation
    Mounting Orientation
    Corner
    Side
    Blade Adjustability
    Blade Adjustability
    Fixed
    Movable
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    93 Products