McMaster-Carr logo
    Mounting Location
    Mounting Location
    Roof
    Wall
    For Duct Shape
    For Duct Shape
    Round
    Rectangular
    Square
    For Roof Type
    For Roof Type
    Flat
    Sloped
    Trade Size
    Trade Size
    3
    4
    5
    6
    7
    8
    9
    10
    12
    14
    16
    18
    20
    22
    24
    DFARS (Defense Acquisition Regulations Supplement)
    DFARS (Defense Acquisition
    Regulations Supplement)
    click to learn more about
    Finish
    Finish
    Painted
    Galvanized
    For Maximum Pipe OD
    For Maximum Pipe OD
    1"
    1 1/2"
    2"
    3"
    4"
    6"
    7"
    13"
    Connection Type
    Connection Type
    Press Fit
    Twist Connect
    Base Diameter
    Base Diameter
    6"
    8"
    10"
    12"
    14"
    16"
    18"
    20"
    24"
    30"
    36"
    REACH (Registration, Evaluation, Authorization and Restriction of Chemicals)
    REACH (Registration,
    Evaluation, Authorization
    and Restriction of Chemicals)
    REACH Compliant
    RoHS (Restriction of Hazardous Substances)
    RoHS (Restriction of
    Hazardous Substances)
    RoHS Compliant
    RoHS Compliant with
    Exemptions
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