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FLEX DUCT COUPLING

Shop flex duct couplings at Open To Public HVAC Parts in Dallas. We carry duct connectors, start collars, coupling sleeves, and flex duct adapters for residential and commercial flexible duct installations. Multiple sizes in stock for same-day walk-in pickup.

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In-Store Pickup Only — Browse our catalog below, then visit us in Dallas or call (214) 340-9421 to purchase.
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  • In StockFDC05 - DUCT COUPLING
    UNIVERSAL

    FDC05 – DUCT COUPLING

    SKU · 5855
    $3.50

    5″ galvanized round duct coupling. Connects two pieces of flex duct together or joins flex duct to a metal collar. Standard slip-fit connection.

  • In StockFDC06 - DUCT COUPLING
    UNIVERSAL

    FDC06 – DUCT COUPLING

    SKU · 5856
    $3.61

    6″ galvanized round duct coupling. Connects two pieces of flex duct together or joins flex duct to a metal collar. Standard slip-fit connection.

  • In StockFDC07 - DUCT COUPLING
    UNIVERSAL

    FDC07 – DUCT COUPLING

    SKU · 5857
    $3.80

    7″ galvanized round duct coupling. Connects two pieces of flex duct together or joins flex duct to a metal collar. Standard slip-fit connection.

  • In StockFDC08 - DUCT COUPLING
    UNIVERSAL

    FDC08 – DUCT COUPLING

    SKU · 5858
    $4.03

    8″ galvanized round duct coupling. Connects two pieces of flex duct together or joins flex duct to a metal collar. Standard slip-fit connection.

  • In StockFDC09 - DUCT COUPLING
    UNIVERSAL

    FDC09 – DUCT COUPLING

    SKU · 5859
    $4.25

    9″ galvanized round duct coupling. Connects two pieces of flex duct together or joins flex duct to a metal collar. Standard slip-fit connection.

  • In StockFDC10 - DUCT COUPLING
    UNIVERSAL

    FDC10 – DUCT COUPLING

    SKU · 58510
    $4.45

    10″ galvanized round duct coupling. Connects two pieces of flex duct together or joins flex duct to a metal collar. Standard slip-fit connection.

  • In StockFDC12 - DUCT COUPLING
    UNIVERSAL

    FDC12 – DUCT COUPLING

    SKU · 58512
    $5.03

    12″ galvanized round duct coupling. Connects two pieces of flex duct together or joins flex duct to a metal collar. Standard slip-fit connection.

  • In StockFDC14 - DUCT COUPLING
    UNIVERSAL

    FDC14 – DUCT COUPLING

    SKU · 58514
    $5.45

    14″ galvanized round duct coupling. Connects two pieces of flex duct together or joins flex duct to a metal collar. Standard slip-fit connection.

  • In StockFDC16 - DUCT COUPLING
    UNIVERSAL

    FDC16 – DUCT COUPLING

    SKU · 58516
    $5.88

    16″ galvanized round duct coupling. Connects two pieces of flex duct together or joins flex duct to a metal collar. Standard slip-fit connection.

  • In StockFDC18 - DUCT COUPLING
    UNIVERSAL

    FDC18 – DUCT COUPLING

    SKU · 58518
    $9.16

    18″ galvanized round duct coupling. Connects two pieces of flex duct together or joins flex duct to a metal collar. Standard slip-fit connection.

  • In StockFDC20 - DUCT COUPLING
    UNIVERSAL

    FDC20 – DUCT COUPLING

    SKU · FDC20
    $9.16

    20″ galvanized round duct coupling. Connects two pieces of flex duct together or joins flex duct to a metal collar. Standard slip-fit connection.

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