Shop rectangular duct fittings

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$163.93
Range Hood Duct 10 in. X 19 in. X 2 in. Rectangular To Round Transition For Lift Downdraft
Home Depot
3
Free shipping
$163.93
Range Hood Duct 10 in. X 19 in. X 2 in. Rectangular To Round Transition For Lift Downdraft
Home Depot
$49.99
Alpine AH901991A Standard Floor Cavity Duct Connector, 8.25 in
Alpine Home Air Products
$49.99
Alpine AH901991A Standard Floor Cavity Duct Connector, 8.25 in
Alpine Home Air Products
$21.89
TOP-VIGOR 4 Inch Diameter Duct Transition, 3-1/4" X 10" To 4" Rectangular To Round Duct Transition, Galvanized HVAC Vent Connector For Exhaust Fan,
Amazon.com
$21.89
TOP-VIGOR 4 Inch Diameter Duct Transition, 3-1/4" X 10" To 4" Rectangular To Round Duct Transition, Galvanized HVAC Vent Connector For Exhaust Fan,
Amazon.com
$5.98
IMPERIAL 30.0 Gauge Galvanized Steel Rectangle Duct Stack Head Duct Connector Cleat | GVL0254-B
Lowe's
17
$5.98
IMPERIAL 30.0 Gauge Galvanized Steel Rectangle Duct Stack Head Duct Connector Cleat | GVL0254-B
Lowe's
$169.99
Mcdaniel Metals SQRPG101/102 (Return And Supply Sides)
Alpine Home Air Products
$169.99
Mcdaniel Metals SQRPG101/102 (Return And Supply Sides)
Alpine Home Air Products
$8.98
IMPERIAL 30 Gauge Galvanized Steel Rectangle Flat 90 Degree Shortway Duct Elbow | GVL0103-B
Lowe's
23
$8.98
IMPERIAL 30 Gauge Galvanized Steel Rectangle Flat 90 Degree Shortway Duct Elbow | GVL0103-B
Lowe's
$69.99
Bosch - Rectangular Duct Transition For HDD86050UC Downdraft - Silver
Best Buy
$69.99
Bosch - Rectangular Duct Transition For HDD86050UC Downdraft - Silver
Best Buy
$8.48
IMPERIAL 12-In X 8-In Galvanized Steel Rectangular Duct End Cap | GVL0246-B
Lowe's
$8.48
IMPERIAL 12-In X 8-In Galvanized Steel Rectangular Duct End Cap | GVL0246-B
Lowe's
$17.28
IMPERIAL 30 Gauge Galvanized Steel Rectangle Rectangular Stack Duct Starting Collar | GVL0097-A
Lowe's
$17.28
IMPERIAL 30 Gauge Galvanized Steel Rectangle Rectangular Stack Duct Starting Collar | GVL0097-A
Lowe's
$8.58
IMPERIAL 14.5-In X 8.25-In Galvanized Steel Rectangular Duct End Cap | GVL0274
Lowe's
$8.58
IMPERIAL 14.5-In X 8.25-In Galvanized Steel Rectangular Duct End Cap | GVL0274
Lowe's
$9.08
IMPERIAL 16-In X 8-In Galvanized Steel Rectangular Duct End Cap | GVL0247-B
Lowe's
$9.08
IMPERIAL 16-In X 8-In Galvanized Steel Rectangular Duct End Cap | GVL0247-B
Lowe's
$7.08
IMPERIAL 10-In X 3.25-In Galvanized Steel Rectangular Stack Duct End Cap | GVL0273-A
Lowe's
6
$7.08
IMPERIAL 10-In X 3.25-In Galvanized Steel Rectangular Stack Duct End Cap | GVL0273-A
Lowe's
$22.27
$30.51
A27F-Duct Transition Adapter Rectangular To Round, Microwave Vent Kit 4" Dia X 3-1/4" X 10" L In
Aliexpress
27% off
$22.27
$30.51
A27F-Duct Transition Adapter Rectangular To Round, Microwave Vent Kit 4" Dia X 3-1/4" X 10" L In
Aliexpress
$9.65
$18.75
Galvanized Transition Rectangular To Round Duct Adapter Versatile Fittings Duct
Aliexpress
48% off
$9.65
$18.75
Galvanized Transition Rectangular To Round Duct Adapter Versatile Fittings Duct
Aliexpress
$34.22
Sealtite 4G124008080000 Rectangular Duct Elbow 8 X 8
Voomi Supply
$34.22
Sealtite 4G124008080000 Rectangular Duct Elbow 8 X 8
Voomi Supply
$68.67
Broan 423-BROAN Model 423 10" Round To Rectangular Transition For Range Hoods And Bath Ventilation Fans | Supplyhouse.Com
SupplyHouse.com
27
$68.67
Broan 423-BROAN Model 423 10" Round To Rectangular Transition For Range Hoods And Bath Ventilation Fans | Supplyhouse.Com
SupplyHouse.com
$199.95
4 X 4 X 4 Inch Steel Pants Wye Joint Duct Fitting
Oneida Air Systems Inc.
$199.95
4 X 4 X 4 Inch Steel Pants Wye Joint Duct Fitting
Oneida Air Systems Inc.
$18.62
LAMBRO INDUSTRIES 3-1/4 in. X 10 in. Galvanized Steel Rectangular Wall Stack Duct 126L
DkHardware.com
3
$18.62
LAMBRO INDUSTRIES 3-1/4 in. X 10 in. Galvanized Steel Rectangular Wall Stack Duct 126L
DkHardware.com
$38.89
Lambro Titefit Silver 90 Degree Rectangular Aluminum Dryer Duct (3006)
Staples
43
$38.89
Lambro Titefit Silver 90 Degree Rectangular Aluminum Dryer Duct (3006)
Staples
$31.37
Southwark AT63WD6 Duct Collar, Take-Off, Rectangular, Side, 6 in Dia, Silver | Skip The Warehouse
Skip The Warehouse
$31.37
Southwark AT63WD6 Duct Collar, Take-Off, Rectangular, Side, 6 in Dia, Silver | Skip The Warehouse
Skip The Warehouse
$14.75
GAF Master Flow RD3.25X10X36 3-1/4" X 10" X 3' Half Section Rectangular Stack Duct | Supplyhouse.Com
SupplyHouse.com
133
$14.75
GAF Master Flow RD3.25X10X36 3-1/4" X 10" X 3' Half Section Rectangular Stack Duct | Supplyhouse.Com
SupplyHouse.com
$52.78
5" Round To 3-1/4" X 10" Rectangular Duct Transition Connector, Galvanized St. Ta-Vigor. Washer & Dryer Parts.
eBay.com
Free shipping
$52.78
5" Round To 3-1/4" X 10" Rectangular Duct Transition Connector, Galvanized St. Ta-Vigor. Washer & Dryer Parts.
eBay.com
$9.78
$16.30
Master Flow LW90E10X3.25 10 in. X 3-1/4 in. 90-Degree Rectangular Elbow
PrairieGrit
43
39% off
$9.78
$16.30
Master Flow LW90E10X3.25 10 in. X 3-1/4 in. 90-Degree Rectangular Elbow
PrairieGrit
$264.00
8 X 6 X 6 Inch Pants Wye Clamp Together Duct Fitting
Oneida Air Systems Inc.
$264.00
8 X 6 X 6 Inch Pants Wye Clamp Together Duct Fitting
Oneida Air Systems Inc.
$49.18
Southwark WS14312 14 3-1/4X12 Flat 90
Voomi Supply
$49.18
Southwark WS14312 14 3-1/4X12 Flat 90
Voomi Supply
$71.89
SOUTHWARK METAL 14S248 Trunk Duct Flat 90 Degree Elbow, 24X8, 90 Degree, Flat Elbow Design
Voomi Supply
$71.89
SOUTHWARK METAL 14S248 Trunk Duct Flat 90 Degree Elbow, 24X8, 90 Degree, Flat Elbow Design
Voomi Supply
$20.53
Southwark AT626 Duct Collar, Take-Off, Round To Rectangular, Top, 6 in Dia | Skip The Warehouse
Skip The Warehouse
$20.53
Southwark AT626 Duct Collar, Take-Off, Round To Rectangular, Top, 6 in Dia | Skip The Warehouse
Skip The Warehouse
$17.09
ZUDKSUY 8 Inch Duct Connector Flange, 8" Duct Flange 8" Duct Connector, Metal Square To Round Duct Pipe Connector For HVAC Ventilation Cooling Heating
Amazon.com
3
$17.09
ZUDKSUY 8 Inch Duct Connector Flange, 8" Duct Flange 8" Duct Connector, Metal Square To Round Duct Pipe Connector For HVAC Ventilation Cooling Heating
Amazon.com
$65.09
Broan Sb08085018 Duct Connector
New Feedonomics Feed - ARC 8/12/2025
$65.09
Broan Sb08085018 Duct Connector
New Feedonomics Feed - ARC 8/12/2025
$14.63
GAF Master Flow SH10X6 10" X 6" Rectangular Stack Head | Supplyhouse.Com
SupplyHouse.com
47
$14.63
GAF Master Flow SH10X6 10" X 6" Rectangular Stack Head | Supplyhouse.Com
SupplyHouse.com
$194.00
8 X 8 X 4 Inch Clamp Together Wye Joint Duct Fitting
Oneida Air Systems Inc.
$194.00
8 X 8 X 4 Inch Clamp Together Wye Joint Duct Fitting
Oneida Air Systems Inc.
$24.19
SOUTHWARK METAL AT63WD8 Air-Tite Takeoff, 8 Inch, Rectangle, With Damper
Voomi Supply
$24.19
SOUTHWARK METAL AT63WD8 Air-Tite Takeoff, 8 Inch, Rectangle, With Damper
Voomi Supply
$54.95
6 X 4 X 4 Inch 45 Degree Wye Joint Duct Fitting
Oneida Air Systems Inc.
$54.95
6 X 4 X 4 Inch 45 Degree Wye Joint Duct Fitting
Oneida Air Systems Inc.
$249.00
7 X 7 X 7 Inch Pants Wye Clamp Together Duct Fitting
Oneida Air Systems Inc.
$249.00
7 X 7 X 7 Inch Pants Wye Clamp Together Duct Fitting
Oneida Air Systems Inc.
$329.00
16 X 14 X 8 Inch Clamp Together Wye Joint Duct Fitting
Oneida Air Systems Inc.
$329.00
16 X 14 X 8 Inch Clamp Together Wye Joint Duct Fitting
Oneida Air Systems Inc.
$144.95
Master Flow SCF3.25X10 Rectangular Stack Duct Starting Collar LOT OF 8
eBay.com
3
Free shipping
$144.95
Master Flow SCF3.25X10 Rectangular Stack Duct Starting Collar LOT OF 8
eBay.com
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Shop rectangular duct fittings

Sponsored
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$7.08
IMPERIAL 10-In X 3.25-In Galvanized Steel Rectangular Stack Duct End Cap | GVL0273-A
Lowe's
6
$7.08
IMPERIAL 10-In X 3.25-In Galvanized Steel Rectangular Stack Duct End Cap | GVL0273-A
Lowe's
$22.27
$30.51
A27F-Duct Transition Adapter Rectangular To Round, Microwave Vent Kit 4" Dia X 3-1/4" X 10" L In
Aliexpress
27% off
$22.27
$30.51
A27F-Duct Transition Adapter Rectangular To Round, Microwave Vent Kit 4" Dia X 3-1/4" X 10" L In
Aliexpress
$9.65
$18.75
Galvanized Transition Rectangular To Round Duct Adapter Versatile Fittings Duct
Aliexpress
48% off
$9.65
$18.75
Galvanized Transition Rectangular To Round Duct Adapter Versatile Fittings Duct
Aliexpress
$34.22
Sealtite 4G124008080000 Rectangular Duct Elbow 8 X 8
Voomi Supply
$34.22
Sealtite 4G124008080000 Rectangular Duct Elbow 8 X 8
Voomi Supply
$68.67
Broan 423-BROAN Model 423 10" Round To Rectangular Transition For Range Hoods And Bath Ventilation Fans | Supplyhouse.Com
SupplyHouse.com
27
$68.67
Broan 423-BROAN Model 423 10" Round To Rectangular Transition For Range Hoods And Bath Ventilation Fans | Supplyhouse.Com
SupplyHouse.com
$199.95
4 X 4 X 4 Inch Steel Pants Wye Joint Duct Fitting
Oneida Air Systems Inc.
$199.95
4 X 4 X 4 Inch Steel Pants Wye Joint Duct Fitting
Oneida Air Systems Inc.
$18.62
LAMBRO INDUSTRIES 3-1/4 in. X 10 in. Galvanized Steel Rectangular Wall Stack Duct 126L
DkHardware.com
3
$18.62
LAMBRO INDUSTRIES 3-1/4 in. X 10 in. Galvanized Steel Rectangular Wall Stack Duct 126L
DkHardware.com
$38.89
Lambro Titefit Silver 90 Degree Rectangular Aluminum Dryer Duct (3006)
Staples
43
$38.89
Lambro Titefit Silver 90 Degree Rectangular Aluminum Dryer Duct (3006)
Staples
$31.37
Southwark AT63WD6 Duct Collar, Take-Off, Rectangular, Side, 6 in Dia, Silver | Skip The Warehouse
Skip The Warehouse
$31.37
Southwark AT63WD6 Duct Collar, Take-Off, Rectangular, Side, 6 in Dia, Silver | Skip The Warehouse
Skip The Warehouse
$14.75
GAF Master Flow RD3.25X10X36 3-1/4" X 10" X 3' Half Section Rectangular Stack Duct | Supplyhouse.Com
SupplyHouse.com
133
$14.75
GAF Master Flow RD3.25X10X36 3-1/4" X 10" X 3' Half Section Rectangular Stack Duct | Supplyhouse.Com
SupplyHouse.com
$52.78
5" Round To 3-1/4" X 10" Rectangular Duct Transition Connector, Galvanized St. Ta-Vigor. Washer & Dryer Parts.
eBay.com
Free shipping
$52.78
5" Round To 3-1/4" X 10" Rectangular Duct Transition Connector, Galvanized St. Ta-Vigor. Washer & Dryer Parts.
eBay.com
$9.78
$16.30
Master Flow LW90E10X3.25 10 in. X 3-1/4 in. 90-Degree Rectangular Elbow
PrairieGrit
43
39% off
$9.78
$16.30
Master Flow LW90E10X3.25 10 in. X 3-1/4 in. 90-Degree Rectangular Elbow
PrairieGrit
$264.00
8 X 6 X 6 Inch Pants Wye Clamp Together Duct Fitting
Oneida Air Systems Inc.
$264.00
8 X 6 X 6 Inch Pants Wye Clamp Together Duct Fitting
Oneida Air Systems Inc.
$49.18
Southwark WS14312 14 3-1/4X12 Flat 90
Voomi Supply
$49.18
Southwark WS14312 14 3-1/4X12 Flat 90
Voomi Supply
$71.89
SOUTHWARK METAL 14S248 Trunk Duct Flat 90 Degree Elbow, 24X8, 90 Degree, Flat Elbow Design
Voomi Supply
$71.89
SOUTHWARK METAL 14S248 Trunk Duct Flat 90 Degree Elbow, 24X8, 90 Degree, Flat Elbow Design
Voomi Supply
$20.53
Southwark AT626 Duct Collar, Take-Off, Round To Rectangular, Top, 6 in Dia | Skip The Warehouse
Skip The Warehouse
$20.53
Southwark AT626 Duct Collar, Take-Off, Round To Rectangular, Top, 6 in Dia | Skip The Warehouse
Skip The Warehouse
$17.09
ZUDKSUY 8 Inch Duct Connector Flange, 8" Duct Flange 8" Duct Connector, Metal Square To Round Duct Pipe Connector For HVAC Ventilation Cooling Heating
Amazon.com
3
$17.09
ZUDKSUY 8 Inch Duct Connector Flange, 8" Duct Flange 8" Duct Connector, Metal Square To Round Duct Pipe Connector For HVAC Ventilation Cooling Heating
Amazon.com
$65.09
Broan Sb08085018 Duct Connector
New Feedonomics Feed - ARC 8/12/2025
$65.09
Broan Sb08085018 Duct Connector
New Feedonomics Feed - ARC 8/12/2025

Shop rectangular duct fittings

Sponsored
About our ads
$163.93
Range Hood Duct 10 in. X 19 in. X 2 in. Rectangular To Round Transition For Lift Downdraft
Home Depot
3
Free shipping
$163.93
Range Hood Duct 10 in. X 19 in. X 2 in. Rectangular To Round Transition For Lift Downdraft
Home Depot
$49.99
Alpine AH901991A Standard Floor Cavity Duct Connector, 8.25 in
Alpine Home Air Products
$49.99
Alpine AH901991A Standard Floor Cavity Duct Connector, 8.25 in
Alpine Home Air Products
$21.89
TOP-VIGOR 4 Inch Diameter Duct Transition, 3-1/4" X 10" To 4" Rectangular To Round Duct Transition, Galvanized HVAC Vent Connector For Exhaust Fan,
Amazon.com
$21.89
TOP-VIGOR 4 Inch Diameter Duct Transition, 3-1/4" X 10" To 4" Rectangular To Round Duct Transition, Galvanized HVAC Vent Connector For Exhaust Fan,
Amazon.com
$5.98
IMPERIAL 30.0 Gauge Galvanized Steel Rectangle Duct Stack Head Duct Connector Cleat | GVL0254-B
Lowe's
17
$5.98
IMPERIAL 30.0 Gauge Galvanized Steel Rectangle Duct Stack Head Duct Connector Cleat | GVL0254-B
Lowe's
$169.99
Mcdaniel Metals SQRPG101/102 (Return And Supply Sides)
Alpine Home Air Products
$169.99
Mcdaniel Metals SQRPG101/102 (Return And Supply Sides)
Alpine Home Air Products
$8.98
IMPERIAL 30 Gauge Galvanized Steel Rectangle Flat 90 Degree Shortway Duct Elbow | GVL0103-B
Lowe's
23
$8.98
IMPERIAL 30 Gauge Galvanized Steel Rectangle Flat 90 Degree Shortway Duct Elbow | GVL0103-B
Lowe's
$69.99
Bosch - Rectangular Duct Transition For HDD86050UC Downdraft - Silver
Best Buy
$69.99
Bosch - Rectangular Duct Transition For HDD86050UC Downdraft - Silver
Best Buy
$8.48
IMPERIAL 12-In X 8-In Galvanized Steel Rectangular Duct End Cap | GVL0246-B
Lowe's
$8.48
IMPERIAL 12-In X 8-In Galvanized Steel Rectangular Duct End Cap | GVL0246-B
Lowe's
$17.28
IMPERIAL 30 Gauge Galvanized Steel Rectangle Rectangular Stack Duct Starting Collar | GVL0097-A
Lowe's
$17.28
IMPERIAL 30 Gauge Galvanized Steel Rectangle Rectangular Stack Duct Starting Collar | GVL0097-A
Lowe's
$8.58
IMPERIAL 14.5-In X 8.25-In Galvanized Steel Rectangular Duct End Cap | GVL0274
Lowe's
$8.58
IMPERIAL 14.5-In X 8.25-In Galvanized Steel Rectangular Duct End Cap | GVL0274
Lowe's
$9.08
IMPERIAL 16-In X 8-In Galvanized Steel Rectangular Duct End Cap | GVL0247-B
Lowe's
$9.08
IMPERIAL 16-In X 8-In Galvanized Steel Rectangular Duct End Cap | GVL0247-B
Lowe's
$7.08
IMPERIAL 10-In X 3.25-In Galvanized Steel Rectangular Stack Duct End Cap | GVL0273-A
Lowe's
6
$7.08
IMPERIAL 10-In X 3.25-In Galvanized Steel Rectangular Stack Duct End Cap | GVL0273-A
Lowe's
$22.27
$30.51
A27F-Duct Transition Adapter Rectangular To Round, Microwave Vent Kit 4" Dia X 3-1/4" X 10" L In
Aliexpress
27% off
$22.27
$30.51
A27F-Duct Transition Adapter Rectangular To Round, Microwave Vent Kit 4" Dia X 3-1/4" X 10" L In
Aliexpress
$9.65
$18.75
Galvanized Transition Rectangular To Round Duct Adapter Versatile Fittings Duct
Aliexpress
48% off
$9.65
$18.75
Galvanized Transition Rectangular To Round Duct Adapter Versatile Fittings Duct
Aliexpress
$34.22
Sealtite 4G124008080000 Rectangular Duct Elbow 8 X 8
Voomi Supply
$34.22
Sealtite 4G124008080000 Rectangular Duct Elbow 8 X 8
Voomi Supply
$68.67
Broan 423-BROAN Model 423 10" Round To Rectangular Transition For Range Hoods And Bath Ventilation Fans | Supplyhouse.Com
SupplyHouse.com
27
$68.67
Broan 423-BROAN Model 423 10" Round To Rectangular Transition For Range Hoods And Bath Ventilation Fans | Supplyhouse.Com
SupplyHouse.com
$199.95
4 X 4 X 4 Inch Steel Pants Wye Joint Duct Fitting
Oneida Air Systems Inc.
$199.95
4 X 4 X 4 Inch Steel Pants Wye Joint Duct Fitting
Oneida Air Systems Inc.
$18.62
LAMBRO INDUSTRIES 3-1/4 in. X 10 in. Galvanized Steel Rectangular Wall Stack Duct 126L
DkHardware.com
3
$18.62
LAMBRO INDUSTRIES 3-1/4 in. X 10 in. Galvanized Steel Rectangular Wall Stack Duct 126L
DkHardware.com