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    37 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.
    Straight Collars
    Link rectangular duct systems to equipment that uses round duct. Cut a hole, install the collar, and connect a piece of round duct.
    Galvanized Steel—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.
    Polyethylene Foam Gasket—The flange has an adhesive-backed gasket to bond the connection until you fasten with screws. The gasket also prevents leaks.
    Galvanized Steel
    Galvanized Steel with
    Polyethylene Foam Gasket
    Duct
    Size
    ID
    OD
    Ga.
    Each
    Ga.
    Each
    Male
    Image of Product. Front orientation. Duct and Fittings. Standard Duct and Fittings, Straight Collars, Male.
    Image of Product. Front orientation. Duct and Fittings. Standard Duct and Fittings, Straight Collars, Male, Polyethylene Foam Gasket.

    Polyethylene

    Foam Gasket

    3—2 7/8"28000000000000————0
    4—3 7/8"2800000000000————0
    5—4 7/8"2800000000000240000000000000
    6—5 7/8"280000000000024000000000000
    7—6 7/8"————024000000000000
    8—7 7/8"280000000000024000000000000
    10—9 7/8"280000000000024000000000000
    12—11 7/8"2800000000000024000000000000
    14—13 7/8"2800000000000024000000000000
    16—15 7/8"2800000000000024000000000000
    18—17 7/8"2800000000000024000000000000
    20—19 7/8"28000000000000————0
     
    Female
    Image of Product. Front orientation. Duct and Fittings. Standard Duct and Fittings, Straight Collars, Female.
    33"—2800000000000————0
    44"—2800000000000————0
    55"—2800000000000————0
    66"—2800000000000————0
    88"—2800000000000————0
    1010"—2800000000000————0
    1212"—28000000000000————0
    1414"—28000000000000————0
    1616"—28000000000000————0
    1818"—28000000000000————0
    2020"—28000000000000————0
     

    Rectangular Duct and Fittings

    Image of System. Front orientation. Exploded view. Duct and Fittings. Rectangular Duct and Fittings.
    Maximize the space in close quarters, such as inside walls and ceilings. As rectangular duct sizes increase, they get wider but not taller. This shape is most often used for heating and cooling inside buildings. Components connect with brackets.
    Straight Collars
    Image of Product. Front orientation. Duct and Fittings. Rectangular Duct and Fittings, Straight Collars.
    Add a branch to an existing line of rectangular duct. Cut a hole in the duct, attach the collar by bending the tabs, and connect another piece of duct.
    Galvanized Steel—Corrosion resistant and affordable, galvanized steel is the most commonly used ductwork material.
    Galvanized Steel
    Wd.
    Ht.
    Ga.
    Each
    8"8"280000000000000
    10"8"28000000000000
    12"8"28000000000000
    14"8"28000000000000
    16"8"26000000000000
    24"8"26000000000000
     
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