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    购买 Duct Coupling

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    $49.00
    Ifm E61434 Double-Loop Coupling
    ifm Efector
    $49.00
    Ifm E61434 Double-Loop Coupling
    ifm Efector
    $5.15
    Open Slot Wire Duct 1" W X 1" H X 6.5' L - PVC - UL Listed - Gray
    Cable ties and more
    $5.15
    Open Slot Wire Duct 1" W X 1" H X 6.5' L - PVC - UL Listed - Gray
    Cable ties and more
    $16.99
    Vent Systems 8'' Inch Galvanized Steel Duct Connector - Round Ventilation Duct Extension - Metal Vent Coupler - Metal Hose Coupling - Galvanised
    Amazon.com
    257
    $16.99
    Vent Systems 8'' Inch Galvanized Steel Duct Connector - Round Ventilation Duct Extension - Metal Vent Coupler - Metal Hose Coupling - Galvanised
    Amazon.com
    257
    $72.95
    3 To 2 Inch Reducer Clamp Together Duct Fitting
    Oneida Air Systems Inc.
    30-day returns (most items)
    $72.95
    3 To 2 Inch Reducer Clamp Together Duct Fitting
    Oneida Air Systems Inc.
    30-day returns
    $1,076.35
    Pollardwater LPD-250 Steel Dechlorinating Diffuser With NST Threading
    Pollardwater
    Free shipping
    $1,076.35
    Pollardwater LPD-250 Steel Dechlorinating Diffuser With NST Threading
    Pollardwater
    Free shipping
    $18.99
    AC Infinity Noise Reduction Clamp 8-Inch, Duct Coupler With Stainless Steel Clamps, Flexible Rubber Coupling For Inline Fans And Carbon Filters In
    Amazon.com
    $18.99
    AC Infinity Noise Reduction Clamp 8-Inch, Duct Coupler With Stainless Steel Clamps, Flexible Rubber Coupling For Inline Fans And Carbon Filters In
    Amazon.com
    $23.95
    Fernco 6" Flexible Coupling For AC/DI To Cast Iron Or PVC 1051-66
    Core & Main
    1
    $23.95
    Fernco 6" Flexible Coupling For AC/DI To Cast Iron Or PVC 1051-66
    Core & Main
    1
    $13.17
    4 Duct Connector Metal Duct Coupling Vent Coupler Dryer Pipe Coupling - Silver
    Bed Bath & Beyond
    Free shipping
    $13.17
    4 Duct Connector Metal Duct Coupling Vent Coupler Dryer Pipe Coupling - Silver
    Bed Bath & Beyond
    Free shipping
    $15.99
    AC Infinity Noise Reduction Clamp 6-Inch, Duct Coupler With Stainless Steel Clamps, Flexible Rubber Coupling For Inline Fans And Carbon Filters In
    Amazon.com
    599
    $15.99
    AC Infinity Noise Reduction Clamp 6-Inch, Duct Coupler With Stainless Steel Clamps, Flexible Rubber Coupling For Inline Fans And Carbon Filters In
    Amazon.com
    599
    $26.99
    4 PCS 8 Inch (7.5 Inch) Duct Connector Flange, Plastic Straight Pipe Flange, Ventilation Pipe Connector For Heating Cooling Ventilation HVAC System,
    Amazon.com
    6
    $26.99
    4 PCS 8 Inch (7.5 Inch) Duct Connector Flange, Plastic Straight Pipe Flange, Ventilation Pipe Connector For Heating Cooling Ventilation HVAC System,
    Amazon.com
    6
    $19.98
    Enenes Duct Splitter, 6 Inch 3 Way Duct Connector For Exhaust Fan Dryer Vent Hose Come With 3 PCS Hose Clamps (6 Inch)
    Amazon.com
    141
    $19.98
    Enenes Duct Splitter, 6 Inch 3 Way Duct Connector For Exhaust Fan Dryer Vent Hose Come With 3 PCS Hose Clamps (6 Inch)
    Amazon.com
    141
    $19.97
    QWORK 4" Duct Splitter, 45° Degree 4 Inch Branch Metal Duct Connector 3 Way Hose Adapter/Splitter
    Amazon.com
    $19.97
    QWORK 4" Duct Splitter, 45° Degree 4 Inch Branch Metal Duct Connector 3 Way Hose Adapter/Splitter
    Amazon.com
    $27.99
    8 Vent Duct Connector Flange Fitting Duct Air Tight Couplings Vent Extension - Silver Tone
    Bed Bath & Beyond
    Free shipping
    $27.99
    8 Vent Duct Connector Flange Fitting Duct Air Tight Couplings Vent Extension - Silver Tone
    Bed Bath & Beyond
    Free shipping
    $383.48
    16" Inch Flexible Aluminum Ducting Hose Insulated R-8.0 Air Duct Pipe For For Heavy Duty HVAC & Exhaust Ductwork Insulation - 25' Feet Long - In
    Amazon.com
    Free shipping
    $383.48
    16" Inch Flexible Aluminum Ducting Hose Insulated R-8.0 Air Duct Pipe For For Heavy Duty HVAC & Exhaust Ductwork Insulation - 25' Feet Long - In
    Amazon.com
    Free shipping
    $299.99
    Duro Dyne Flexible Duct Connector Jrn 10028 1 3/4X3x1 3/4 Neoprene
    eBay
    Free shipping
    $299.99
    Duro Dyne Flexible Duct Connector Jrn 10028 1 3/4X3x1 3/4 Neoprene
    eBay
    Free shipping
    $16.99
    JOMIANK Flange Connector, 6Inch Duct Connector Flange Inlet Fitting Metal Straight Pipe Flange Air Tube Hose Flange Adapter For Heating Cooling
    Amazon.com
    $16.99
    JOMIANK Flange Connector, 6Inch Duct Connector Flange Inlet Fitting Metal Straight Pipe Flange Air Tube Hose Flange Adapter For Heating Cooling
    Amazon.com
    $29.99
    10 Vent Duct Connector Flange Fitting Duct Air Tight Couplings Vent Extension - Silver Tone
    Bed Bath & Beyond
    Free shipping
    $29.99
    10 Vent Duct Connector Flange Fitting Duct Air Tight Couplings Vent Extension - Silver Tone
    Bed Bath & Beyond
    Free shipping
    $13.95
    6 Inch Male-Female Dust Collection Ducting Adapter
    Oneida Air Systems Inc.
    30-day returns (most items)
    $13.95
    6 Inch Male-Female Dust Collection Ducting Adapter
    Oneida Air Systems Inc.
    30-day returns