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    20 Products

    Standard Duct and Fittings

    Image of System. Front orientation. Exploded view. Duct and Fittings. Standard Duct and Fittings.
    Deliver air for a range of HVAC applications, including exhaust and dust collection. Our basic duct, the round shape creates smoother, more efficient airflow than rectangular and oval duct. The male end is slightly smaller than the female, so sections join without clamps or tools.
    90° Elbow Connectors
    Image of Product. Front orientation. Duct and Fittings. Standard Duct and Fittings, 90° Elbow Connectors.
    Change the direction of airflow when joining lengths of duct.
    Lightweight Aluminum—One-third the weight of steel, aluminum ductwork is easier to handle during installation. Like galvanized steel, it resists rust in wet environments but won’t last as long.
    Lightweight
    Aluminum
    Duct
    Size
    ID
    OD
    Seam
    Construction
    Ga.
    Each
    33"2 7/8"Welded201773K3120000000
    55"4 7/8"Welded201773K313000000
    77"5 7/8"Welded201773K314000000
    1010"9 7/8"Welded201773K315000000
    1212"11 7/8"Welded201773K316000000
    1414"13 7/8"Welded201773K317000000
     
    45° Elbow Connectors
    Image of Product. Front orientation. Duct and Fittings. Standard Duct and Fittings, 45° Elbow Connectors, Welded Seam.

    Welded Seam

    Change the direction of airflow when joining lengths of duct.
    Lightweight Aluminum—One-third the weight of steel, aluminum ductwork is easier to handle during installation. Like galvanized steel, it resists rust in wet environments but won’t last as long.
    Lightweight
    Aluminum
    Duct
    Size
    ID
    OD
    Seam
    Construction
    Ga.
    Each
    33"2 7/8"Welded201773K3180000000
    55"4 7/8"Welded201773K319000000
    77"6 7/8"Welded201773K321000000
    1010"9 7/8"Welded201773K322000000
    1212"11 7/8"Welded201773K323000000
    1414"13 7/8"Welded201773K324000000
     
    Adjustable-Angle-Elbow Connectors (Adjusts from Straight to 90°)
    Image of Product. Front orientation. Duct and Fittings. Standard Duct and Fittings, Adjustable-Angle-Elbow Connectors (Adjusts from Straight to 90°).
    Use these connectors as an angled or straight link between pieces of duct. Adjust the shape by twisting the segments.
    Lightweight Aluminum—One-third the weight of steel, aluminum ductwork is easier to handle during installation. Like galvanized steel, it resists rust in wet environments but won’t last as long.
    Lightweight
    Aluminum
    Duct
    Size
    ID
    OD
    Ga.
    Each
    33"2 7/8"261773K2100000
    44"3 7/8"261773K220000
    55"4 7/8"261773K2300000
    66"5 7/8"261773K2400000
    77"6 7/8"261773K2500000
    88"7 7/8"261773K2600000
    1010"9 7/8"261773K2800000
    1212"11 7/8"261773K2900000
     
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