Duct Transition Rectangular To Round(24)
Uses item details. Price when purchased online
KFFKFF Galvanized Duct Boot, 3-1/4 x 10 x 6 inch End Boot, Rectangular to Round Transition for HVAC Systems and Floor Registers, Simple Installation, Silver (6 in Round Pipe) $24.99

Sponsored
$2499
current price $24.99KFFKFF Galvanized Duct Boot, 3-1/4 x 10 x 6 inch End Boot, Rectangular to Round Transition for HVAC Systems and Floor Registers, Simple Installation, Silver (6 in Round Pipe)
11 out of 5 Stars. 1 reviews
VEVOR Duct Boot, 3-1/4 x 10 x 6 inch Duct End Boot, Galvanized to Round Transition Galvanized Floor Register Tool for Center Ventilation & HVAC System, Easy Installation,Silver (6 in Round Pipe) $25.99 Was $29.99

Sponsored
Now$2599
current price Now $25.99, Was $29.99$29.99
VEVOR Duct Boot, 3-1/4 x 10 x 6 inch Duct End Boot, Galvanized to Round Transition Galvanized Floor Register Tool for Center Ventilation & HVAC System, Easy Installation,Silver (6 in Round Pipe)
8-inch Duct Connector Flange, Metal Square to Round Pipe Transition, Air Duct Flange for Ventilation, Cooling, and HVAC Systems $16.99

Sponsored
$1699
current price $16.998-inch Duct Connector Flange, Metal Square to Round Pipe Transition, Air Duct Flange for Ventilation, Cooling, and HVAC Systems
Baseaire Dehumidifier Aluminum foil Intake Duct 10 inches Diameter 10 ft Long with Duct Clamps, Return Duct Collar Assembly for AirWerx 100X/AirWerx 120X $59.00

Sponsored
$5900
current price $59.00Baseaire Dehumidifier Aluminum foil Intake Duct 10 inches Diameter 10 ft Long with Duct Clamps, Return Duct Collar Assembly for AirWerx 100X/AirWerx 120X
TMWEFUSC 4" Dia x 3-1/2" x 10" L Galvanized Steel Rectangular to Round Duct Transition for HVAC Duct Pipe Fitting $35.59

$3559
current price $35.59TMWEFUSC 4" Dia x 3-1/2" x 10" L Galvanized Steel Rectangular to Round Duct Transition for HVAC Duct Pipe Fitting
Uxcell 12" x 2" x 5" 90 Degree Register Boot, Galvanized Steel Transition Rectangular to 5" Round Duct Transition Fitting for Connecting Floor Register Grille HVAC Duct Fittings $69.49

$6949
current price $69.49Uxcell 12" x 2" x 5" 90 Degree Register Boot, Galvanized Steel Transition Rectangular to 5" Round Duct Transition Fitting for Connecting Floor Register Grille HVAC Duct Fittings
Uxcell 10" x 6" x 4" Straight Register Boot, Galvanized Steel Transition Rectangular to 4" Round Duct Transition Fitting for Connecting Floor Register Grille HVAC Duct Fittings $60.99

$6099
current price $60.99Uxcell 10" x 6" x 4" Straight Register Boot, Galvanized Steel Transition Rectangular to 4" Round Duct Transition Fitting for Connecting Floor Register Grille HVAC Duct Fittings
Uxcell 10"x3-1/4"x7" Duct Pipe Transition Fitting, Galvanized Steel Transition Rectangular to 6" Round Duct with Folded Edge Straight Register Boot for Connecting HVAC Duct Fittings $69.99

$6999
current price $69.99Uxcell 10"x3-1/4"x7" Duct Pipe Transition Fitting, Galvanized Steel Transition Rectangular to 6" Round Duct with Folded Edge Straight Register Boot for Connecting HVAC Duct Fittings
Ventilation Duct Converter Rectangular to Round Straight Channel Connector Flat Ducting Adaptors to Round Converter $15.96

$1596
current price $15.96Ventilation Duct Converter Rectangular to Round Straight Channel Connector Flat Ducting Adaptors to Round Converter
Uxcell 12" x 8" x 8" Straight Register Boot, Galvanized Steel Transition Rectangular to 8" Round Duct Transition Fitting for Connecting Floor Register Grille HVAC Duct Fittings $74.49

$7449
current price $74.49Uxcell 12" x 8" x 8" Straight Register Boot, Galvanized Steel Transition Rectangular to 8" Round Duct Transition Fitting for Connecting Floor Register Grille HVAC Duct Fittings
ALORAIR Dehumidifier Aluminum foil Inlet Duct with a Diameter of 12 inches and 13 feet Long (12 inches) $89.00

Sponsored
$8900
current price $89.00ALORAIR Dehumidifier Aluminum foil Inlet Duct with a Diameter of 12 inches and 13 feet Long (12 inches)
Repa Market 6” Inch Plastic 90 Degree Elbow - White Round Ducting Pipe Connector From $7.95

Sponsored
From$795
Repa Market 6” Inch Plastic 90 Degree Elbow - White Round Ducting Pipe Connector
KFFKFF Galvanized Duct Boot, 3-1/4 x 10 x 6 inch End Boot, Rectangular to Round Transition for HVAC Systems and Floor Registers, Simple Installation, Silver (6 in Round Pipe) $24.99

$2499
current price $24.99KFFKFF Galvanized Duct Boot, 3-1/4 x 10 x 6 inch End Boot, Rectangular to Round Transition for HVAC Systems and Floor Registers, Simple Installation, Silver (6 in Round Pipe)
11 out of 5 Stars. 1 reviews
Uxcell 8" x 6" x 6" Straight Register Boot, Galvanized Steel Transition Rectangular to 6" Round Duct Transition Fitting for Connecting Floor Register Grille HVAC Duct Fittings $53.49

$5349
current price $53.49Uxcell 8" x 6" x 6" Straight Register Boot, Galvanized Steel Transition Rectangular to 6" Round Duct Transition Fitting for Connecting Floor Register Grille HVAC Duct Fittings
Uxcell 6" x 6" x 4" Straight Register Boot, Galvanized Steel Transition Rectangular to 4" Round Duct Transition Fitting for Connecting Floor Register Grille HVAC Duct Fittings $46.49

$4649
current price $46.49Uxcell 6" x 6" x 4" Straight Register Boot, Galvanized Steel Transition Rectangular to 4" Round Duct Transition Fitting for Connecting Floor Register Grille HVAC Duct Fittings
Uxcell 6" x 6" x 6" Straight Register Boot, Galvanized Steel Transition Rectangular to 6" Round Duct Transition Fitting for Connecting Floor Register Grille HVAC Duct Fittings $45.99

$4599
current price $45.99Uxcell 6" x 6" x 6" Straight Register Boot, Galvanized Steel Transition Rectangular to 6" Round Duct Transition Fitting for Connecting Floor Register Grille HVAC Duct Fittings
Leakproof Air Duct Change Venting Rectangular To 4inch Round Pipe Includes Safety Installation Tool for Microwave $32.67

$3267
current price $32.67Leakproof Air Duct Change Venting Rectangular To 4inch Round Pipe Includes Safety Installation Tool for Microwave
Uxcell 12" x 4" x 6" Straight Register Boot, Galvanized Steel Transition Rectangular to 6" Round Duct Transition Fitting for Connecting Floor Register Grille HVAC Duct Fittings $64.49

$6449
current price $64.49Uxcell 12" x 4" x 6" Straight Register Boot, Galvanized Steel Transition Rectangular to 6" Round Duct Transition Fitting for Connecting Floor Register Grille HVAC Duct Fittings
Uxcell 10" x 4" x 4" Straight Register Boot, Galvanized Steel Transition Rectangular to 4" Round Duct Transition Fitting for Connecting Floor Register Grille HVAC Duct Fittings $49.49

$4949
current price $49.49Uxcell 10" x 4" x 4" Straight Register Boot, Galvanized Steel Transition Rectangular to 4" Round Duct Transition Fitting for Connecting Floor Register Grille HVAC Duct Fittings
Uxcell 10" x 6" x 7" Straight Register Boot, Galvanized Steel Transition Rectangular to 7" Round Duct Transition Fitting for Connecting Floor Register Grille HVAC Duct Fittings $65.49

$6549
current price $65.49Uxcell 10" x 6" x 7" Straight Register Boot, Galvanized Steel Transition Rectangular to 7" Round Duct Transition Fitting for Connecting Floor Register Grille HVAC Duct Fittings
Repa Market 4" Inch Pack of 2 Plastic Duct Connector Flange - Ducting, Pipe Adapter From $7.95

Sponsored
From$795
Repa Market 4" Inch Pack of 2 Plastic Duct Connector Flange - Ducting, Pipe Adapter
ALORAIR Dehumidifier Aluminum foil Outlet Duct with a Diameter of 6 inches and 11.5 feet Long (6") $59.00

Sponsored
$5900
current price $59.00ALORAIR Dehumidifier Aluminum foil Outlet Duct with a Diameter of 6 inches and 11.5 feet Long (6")
Repa Market 6" Inch Pack of 2 Duct Connector Flange - Plastic Straight Pipe Flange for Heating, Cooling - Inlet Outlet Ventilation System - Ducting Coupling Wall Plate - Assembly Joint From $11.95

Sponsored
From$1195
Repa Market 6" Inch Pack of 2 Duct Connector Flange - Plastic Straight Pipe Flange for Heating, Cooling - Inlet Outlet Ventilation System - Ducting Coupling Wall Plate - Assembly Joint
Repa Market 6" to 4" Round Plastic Duct Reducer - PVC Pipe Increaser, HVAC Exhaust, Intake From $7.95 Was $9.95

Sponsored
From$795
$9.95
Repa Market 6" to 4" Round Plastic Duct Reducer - PVC Pipe Increaser, HVAC Exhaust, Intake
Other options to consider(122)
Best seller Imperial 4-inch x 8-feet Flexible Aluminum Foil Air Connector for Exhaust Vent, Cylindrical, Silver $10.22

$1022
current price $10.22Imperial 4-inch x 8-feet Flexible Aluminum Foil Air Connector for Exhaust Vent, Cylindrical, Silver
1434.4 out of 5 Stars. 143 reviews
Imperial Oval to Round Ducting Adapter - Metal Connector - 1 Pack, 6 In $20.47 Was $31.78

Now$2047
current price Now $20.47, Was $31.78$31.78
Imperial Oval to Round Ducting Adapter - Metal Connector - 1 Pack, 6 In
42.5 out of 5 Stars. 4 reviews
Deflecto Flexible Dryer Hookup, 4" x 2' Duct MAC36024/2 $13.88

$1388
current price $13.88Deflecto Flexible Dryer Hookup, 4" x 2' Duct MAC36024/2
753.6 out of 5 Stars. 75 reviews
Weatherproof Steel Duct Converter 4" Round to 3.25x10 Rectangular Includes Mounting Accessories $29.21

$2921
current price $29.21Weatherproof Steel Duct Converter 4" Round to 3.25x10 Rectangular Includes Mounting Accessories
WHAMVOX Duct Transition Fitting Ducting Coupling For Ducting Connector For Heating Stainless Steel Inline Adapter Ducting Coupler For Cooling $8.07 Was $9.17

Now$807
current price Now $8.07, Was $9.17$9.17
WHAMVOX Duct Transition Fitting Ducting Coupling For Ducting Connector For Heating Stainless Steel Inline Adapter Ducting Coupler For Cooling
Uxcell Duct Adapter Round to Oval, Oval Recessed Dryer Vent Hose Connector Adapter with Stainless Steel Clamp, White $18.39

$1839
current price $18.39Uxcell Duct Adapter Round to Oval, Oval Recessed Dryer Vent Hose Connector Adapter with Stainless Steel Clamp, White
15 out of 5 Stars. 1 reviews
Lambro 8 In. Galvanized Steel Flexible Duct Connector 248 Pack of 6 $36.84

$3684
current price $36.84Lambro 8 In. Galvanized Steel Flexible Duct Connector 248 Pack of 6
Air King Ak46r 4" To 6" Galvanized Steel Duct Transition - Silver

Air King Ak46r 4" To 6" Galvanized Steel Duct Transition - Silver
Galvanized Round Duct Fittings 3.25 x 10 x 6 Inch Transition End for HVAC Ventilation System Easy Install Silver $34.99

$3499
current price $34.99Galvanized Round Duct Fittings 3.25 x 10 x 6 Inch Transition End for HVAC Ventilation System Easy Install Silver
Uxcell 6 x 12 Inch Round Dryer Duct, 1PCS Galvanized Steel Crimped Straight Air Vent Duct Extension Coupler Pipe Adapter Connector for HVAC Dryer Hood Ventilation Chimney, Silver $65.24

$6524
current price $65.24Uxcell 6 x 12 Inch Round Dryer Duct, 1PCS Galvanized Steel Crimped Straight Air Vent Duct Extension Coupler Pipe Adapter Connector for HVAC Dryer Hood Ventilation Chimney, Silver
Lambro 5 In. Galvanized Steel Flexible Duct Connector 245 Pack of 6 $14.54

$1454
current price $14.54Lambro 5 In. Galvanized Steel Flexible Duct Connector 245 Pack of 6
Deflecto DGT35 Galvanized Round Transition (5 Inch) $23.83

$2383
current price $23.83Deflecto DGT35 Galvanized Round Transition (5 Inch)
15 out of 5 Stars. 1 reviews
Duct Transition Piece from 110 mm Inner Diameter to 100 mm Outer Diameter $12.21

$1221
current price $12.21Duct Transition Piece from 110 mm Inner Diameter to 100 mm Outer Diameter
Lambro Flexible Air Duct Connector, Aluminum, Ductwork - 12 Pack, 4-In. $35.98

$3598
current price $35.98Lambro Flexible Air Duct Connector, Aluminum, Ductwork - 12 Pack, 4-In.
4inch Steel Microwave Vent Set Transition Adapters Leakproof Designs Device for 3.25x10 Duct to Round Exhaust System $26.21

$2621
current price $26.214inch Steel Microwave Vent Set Transition Adapters Leakproof Designs Device for 3.25x10 Duct to Round Exhaust System
Ducting Fitting HVAC Connector Round Transition Square to Round Converter for Manufacturing Facility Shops $36.92

$3692
current price $36.92Ducting Fitting HVAC Connector Round Transition Square to Round Converter for Manufacturing Facility Shops
Uxcell 4 x 20 Inch Round Dryer Duct, 2PCS Galvanized Steel Crimped Straight Air Vent Duct Extension Coupler Pipe Adapter Connector for HVAC Dryer Hood Ventilation Chimney, Silver $94.04

$9404
current price $94.04Uxcell 4 x 20 Inch Round Dryer Duct, 2PCS Galvanized Steel Crimped Straight Air Vent Duct Extension Coupler Pipe Adapter Connector for HVAC Dryer Hood Ventilation Chimney, Silver
Lambro 495P Laminated Transition Duct, 4 in, Aluminum Was $25.69

Lambro 495P Laminated Transition Duct, 4 in, Aluminum
Masteelf 2pcs Duct Transition Fitting Ducting Coupling For Ducting Connector For Heating Stainless Steel Inline Adapter Ducting Coupler For Cooling $12.16

$1216
current price $12.16Masteelf 2pcs Duct Transition Fitting Ducting Coupling For Ducting Connector For Heating Stainless Steel Inline Adapter Ducting Coupler For Cooling
Rollback Uxcell 5 x 12 Inch Round Dryer Duct, 2PCS Galvanized Steel Crimped Straight Air Vent Duct Extension Coupler Pipe Adapter Connector for HVAC Dryer Hood Ventilation Chimney, Silver $61.26 Was $68.07

Now$6126
current price Now $61.26, Was $68.07$68.07
Uxcell 5 x 12 Inch Round Dryer Duct, 2PCS Galvanized Steel Crimped Straight Air Vent Duct Extension Coupler Pipe Adapter Connector for HVAC Dryer Hood Ventilation Chimney, Silver
Ductmate Flexible Duct Connector,Neoprene Fabric GRPFC3NGA50 $301.93 $301.93/1

$30193
current price $301.93$301.93/1
Ductmate Flexible Duct Connector,Neoprene Fabric GRPFC3NGA50
Lambro 3120UL Semi-Rigid Transition Duct Kit, 4 in, 8 ft L, Aluminum $37.28

$3728
current price $37.28Lambro 3120UL Semi-Rigid Transition Duct Kit, 4 in, 8 ft L, Aluminum
Reduced price CarpNettore Duct Transition Fittings Vent Adapter for Industrial Exhaust Fan HVAC System $33.27 Was $38.99

Now$3327
current price Now $33.27, Was $38.99$38.99
CarpNettore Duct Transition Fittings Vent Adapter for Industrial Exhaust Fan HVAC System
Uxcell Duct Adapter Round to Oval, 4" Oval Recessed Dryer Vent Hose Connector With Steel Clamp, White 2 Pcs $28.09

$2809
current price $28.09Uxcell Duct Adapter Round to Oval, 4" Oval Recessed Dryer Vent Hose Connector With Steel Clamp, White 2 Pcs
Easyflex 7.48" x 82 ft. Vinyl Flexible Duct Connector, 28 ga. (1.77" x 3.94" x 1.77") $532.00

$53200
current price $532.00Easyflex 7.48" x 82 ft. Vinyl Flexible Duct Connector, 28 ga. (1.77" x 3.94" x 1.77")
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