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    System of Measurement
    System of Measurement
    Inch
    Metric
    Gender
    Gender
    Female
    Male
    End Construction
    End Construction
    Crimped
    Plain
    Rolled
    Spiral
    Tapered
    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
    Flange Mount Type
    Flange Mount Type
    Screw On
    Weld On
    Duct Construction
    Duct Construction
    Closed
    Open
    Gate Material
    Gate Material
    Aluminum
    Steel
    Plastic
    Stainless Steel
    Slide Material
    Slide Material
    Steel
    Stainless Steel
    Plastic
    Number of Mounting Holes
    Number of Mounting Holes
    4
    6
    8
    10
    12
    16
    18
    24
    For Duct Shape
    For Duct Shape
    Round
    Square
    Rectangular
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