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    Class I Aluminum Air Terminals

    UL Listed

    Item #ClassMaterialDiameterLength
    AT10AClass I - 1/2"Solid Aluminum1/2 in.
    12.7 mm
    10 in.
    254 mm
    AT12AClass I - 1/2"Solid Aluminum1/2 in.
    12.7 mm
    12 in.
    305 mm
    AT15AClass I - 1/2"Solid Aluminum1/2 in.
    12.7 mm
    15 in.
    381 mm
    AT18AClass I - 1/2"Solid Aluminum1/2 in.
    12.7 mm
    18 in.
    458 mm
    AT24AClass I - 1/2"Solid Aluminum1/2 in.
    12.7 mm
    24 in.
    610 mm
    AT36AClass I - 1/2"Solid Aluminum1/2 in.
    12.7 mm
    36 in.
    915 mm
    AT48AClass I - 1/2"Solid Aluminum1/2 in.
    12.7 mm
    48 in.
    1220 mm