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Air ToolsAll Tool SetsBathroom PlumbingBrackets and Angle IronsCar Emergency SuppliesCaulking & SealantsDoor WeatherproofingElectric MotorsElectrical ToolsFastenersFurniture HardwareHand ToolsHVAC Ducting and VentilationMechanics ToolsPaint Supplies & ToolsPipes, Fittings & AccessoriesPlumbing Tools & AccessoriesPower Tool AccessoriesSealants, Fillers and AdhesivesShop Plumbing by FixtureSolderingToilets and BidetsValves & Valve RepairWater DispensersWater FiltersWater Filtration & Water SoftenersWeatherstrippingWelding & Cutting AccessoriesWindow WeatherproofingWinter Prep
Tube Reducer(1000+)
Uses item details. Price when purchased online
Duct Reducer for Ventilation Systems 80 To 150mm Diameter Round Tube

Duct Reducer for Ventilation Systems 80 To 150mm Diameter Round Tube
Tube Reducer 1/2 Inch To 3/8 Inch (1 EA) $6.31

$631
current price $6.31Tube Reducer 1/2 Inch To 3/8 Inch (1 EA)
Uxcell 6 Pcs Straight Union Push to Connect Fitting, 5/16" x 3/8" OD Tube Reducer Connector Quick Push Lock Adapter Air Hose Fitting for Pneumatic System Pipeline Connection, Black $9.99

$999
current price $9.99Uxcell 6 Pcs Straight Union Push to Connect Fitting, 5/16" x 3/8" OD Tube Reducer Connector Quick Push Lock Adapter Air Hose Fitting for Pneumatic System Pipeline Connection, Black
Rollback Uxcell Duct Reducer, Pipe Increaser Adapter Ducting Airflow Tube Pipe Fitting 3" to 2" From $12.99

8 options
Available in additional 8 optionsFrom$1299
Uxcell Duct Reducer, Pipe Increaser Adapter Ducting Airflow Tube Pipe Fitting 3" to 2"
Uxcell 4" to 3.5" Duct Reducer Connector Ventilation Tube Increaser Adapter Beige 2 Pack $17.99

$1799
current price $17.99Uxcell 4" to 3.5" Duct Reducer Connector Ventilation Tube Increaser Adapter Beige 2 Pack
Duct Reducer For Ventilation Systems 80 To 150Mm Diameter Round Tube $16.65 Was $19.64

Now$1665
current price Now $16.65, Was $19.64$19.64
Duct Reducer For Ventilation Systems 80 To 150Mm Diameter Round Tube
B-810-R-6 | Swagelok Tube Reducer, 3/8" Tube : OD Compression x 1/2" Tube : OD Compression, Brass $9.58

$958
current price $9.58B-810-R-6 | Swagelok Tube Reducer, 3/8" Tube : OD Compression x 1/2" Tube : OD Compression, Brass
Aignep Usa Tube Reducer,8 x 6mm Tube Sz,Brass,PK5 50700N-8-6-PK5 $24.09

$2409
current price $24.09Aignep Usa Tube Reducer,8 x 6mm Tube Sz,Brass,PK5 50700N-8-6-PK5
SS-22M0-R-20M | ***Special***Swagelok Tube Reducer, 22mm Tube : OD Compression x 20mm Tube : OD Compression, 316 Stainless $55.20

$5520
current price $55.20SS-22M0-R-20M | ***Special***Swagelok Tube Reducer, 22mm Tube : OD Compression x 20mm Tube : OD Compression, 316 Stainless
Nibco Reducer,Wrot Copper,4"x3" Tube,FTGxC 6002 4x3 $77.58

$7758
current price $77.58Nibco Reducer,Wrot Copper,4"x3" Tube,FTGxC 6002 4x3
Uxcell 3/8" x 5/16" x 3/8" ID Reducing Tee Copper Fitting, 5pcs Copper Pipe Tube Connector Adapter Reducer $10.99

$1099
current price $10.99Uxcell 3/8" x 5/16" x 3/8" ID Reducing Tee Copper Fitting, 5pcs Copper Pipe Tube Connector Adapter Reducer
Uxcell 3/4" to 5/8" ID Copper Reducer, 4pcs Copper Reducing Coupling Pressure Fitting Pipe Tube Connector Adapter $12.49

$1249
current price $12.49Uxcell 3/4" to 5/8" ID Copper Reducer, 4pcs Copper Reducing Coupling Pressure Fitting Pipe Tube Connector Adapter
Reducer Straight Push-In Fittings Pneumatic Line Tube Hose Connector 4Mm To 16Mm 6Mm-4Mm YIWEI From $5.09

2 options
Available in additional 2 optionsFrom$509
Reducer Straight Push-In Fittings Pneumatic Line Tube Hose Connector 4Mm To 16Mm 6Mm-4Mm YIWEI
Uxcell 1" to 3/4" ID Copper Reducer, 2pcs Copper Reducing Coupling Pressure Fitting Pipe Tube Connector Adapter $15.09

$1509
current price $15.09Uxcell 1" to 3/4" ID Copper Reducer, 2pcs Copper Reducing Coupling Pressure Fitting Pipe Tube Connector Adapter
Aignep Usa Tube Reducer,6 x 4mm Tube Sz,Brass,PK5 50700N-6-4-PK5 $22.63

$2263
current price $22.63Aignep Usa Tube Reducer,6 x 4mm Tube Sz,Brass,PK5 50700N-6-4-PK5
4R2316 | Hoke (Gyrolok) Tube Reducer, 1/4" Tube : OD Compression x 1/8" Tube : Stub, 316 Stainless $11.76

$1176
current price $11.764R2316 | Hoke (Gyrolok) Tube Reducer, 1/4" Tube : OD Compression x 1/8" Tube : Stub, 316 Stainless
4R12316 | Hoke (Gyrolok) Tube Reducer, 1/4" Tube : OD Compression x 3/4" Tube : Stub, 316 Stainless $16.96

$1696
current price $16.964R12316 | Hoke (Gyrolok) Tube Reducer, 1/4" Tube : OD Compression x 3/4" Tube : Stub, 316 Stainless
Uxcell 1" to 3/4" ID Copper Reducer, 4pcs Copper Reducing Coupling Pressure Fitting Pipe Tube Connector Adapter $15.99

$1599
current price $15.99Uxcell 1" to 3/4" ID Copper Reducer, 4pcs Copper Reducing Coupling Pressure Fitting Pipe Tube Connector Adapter
Uxcell 3/8" x 1/4" x 3/8" ID Reducing Tee Copper Fitting, 5pcs Copper Pipe Tube Connector Adapter Reducer $9.99

$999
current price $9.99Uxcell 3/8" x 1/4" x 3/8" ID Reducing Tee Copper Fitting, 5pcs Copper Pipe Tube Connector Adapter Reducer
Reducer Straight Push-In Fittings Pneumatic Line Tube Hose Connector 4mm to 16mm

Reducer Straight Push-In Fittings Pneumatic Line Tube Hose Connector 4mm to 16mm
Uxcell Reducing Coupling 1" x 3/4" NPT Female Threaded 304 Stainless Steel Reducer Pipe Fitting Adopts for Water Oil Gas Tube $12.19

$1219
current price $12.19Uxcell Reducing Coupling 1" x 3/4" NPT Female Threaded 304 Stainless Steel Reducer Pipe Fitting Adopts for Water Oil Gas Tube
Uxcell 2 1/8" to 1/2" ID Copper Reducer, Copper Reducing Coupling Pressure Fitting Pipe Tube Connector Adapter $15.49

$1549
current price $15.49Uxcell 2 1/8" to 1/2" ID Copper Reducer, Copper Reducing Coupling Pressure Fitting Pipe Tube Connector Adapter
Uxcell Reducing Coupling 1-1/2" x 3/4" NPT Female Threaded 304 Stainless Steel Reducer Pipe Fitting Adopts for Water Oil Gas Tube $15.69

$1569
current price $15.69Uxcell Reducing Coupling 1-1/2" x 3/4" NPT Female Threaded 304 Stainless Steel Reducer Pipe Fitting Adopts for Water Oil Gas Tube
4R8M | Hoke (Gyrolok) Tube Reducer, 1/4" Tube : OD Compression x 1/2" Tube : Stub, Monel/Alloy 400/R-405 $25.36

$2536
current price $25.364R8M | Hoke (Gyrolok) Tube Reducer, 1/4" Tube : OD Compression x 1/2" Tube : Stub, Monel/Alloy 400/R-405
Uxcell 6 Pcs T Shape 3 Way Push to Connect Fitting, 5/8" OD Tube Reducer Connector Quick Push Lock Adapter Air Hose Fitting for Pneumatic System Pipeline Connection, Black $17.49

$1749
current price $17.49Uxcell 6 Pcs T Shape 3 Way Push to Connect Fitting, 5/8" OD Tube Reducer Connector Quick Push Lock Adapter Air Hose Fitting for Pneumatic System Pipeline Connection, Black
Uxcell 1-5/8" to 3/4" ID Copper Reducer, Copper Reducing Coupling Pressure Fitting Pipe Tube Connector Adapter $11.99

$1199
current price $11.99Uxcell 1-5/8" to 3/4" ID Copper Reducer, Copper Reducing Coupling Pressure Fitting Pipe Tube Connector Adapter
M-400-R-6 | Swagelok Tube Reducer, 1/4" Tube : OD Compression x 3/8" Tube : Stub, Monel/Alloy 400/R-405 $29.60

$2960
current price $29.60M-400-R-6 | Swagelok Tube Reducer, 1/4" Tube : OD Compression x 3/8" Tube : Stub, Monel/Alloy 400/R-405
Hon&Guan Plastic Straight Duct Reducer and Increaser Adaptor Tube Connector Inline Heating Cooling Vent 6 in x 4 in 1 Piece $13.20

$1320
current price $13.20Hon&Guan Plastic Straight Duct Reducer and Increaser Adaptor Tube Connector Inline Heating Cooling Vent 6 in x 4 in 1 Piece
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Fancyes 6xDucting Airflows Tube Increaser Adapter Home Office Ducting Reducer Increaser 42 to 75 $32.99

$3299
current price $32.99Fancyes 6xDucting Airflows Tube Increaser Adapter Home Office Ducting Reducer Increaser 42 to 75
Uxcell 4.3" to 3.5" ID Duct Reducer Connector Ventilation Tube Increaser Adapter From $12.49

6 options
Available in additional 6 optionsFrom$1249
Uxcell 4.3" to 3.5" ID Duct Reducer Connector Ventilation Tube Increaser Adapter
25 out of 5 Stars. 2 reviews
Aignep Usa Tube Reducer,12 x 8mm Tube Sz,Brass,PK3 50700N-12-8-PK3 $16.96

$1696
current price $16.96Aignep Usa Tube Reducer,12 x 8mm Tube Sz,Brass,PK3 50700N-12-8-PK3
Uxcell 1/4" to 1/2" 12 Pcs Plastic Hose Barb Fittings, Reducer Tube Fittings Pipe Adapter Kit for Air Gas Water System $9.69

$969
current price $9.69Uxcell 1/4" to 1/2" 12 Pcs Plastic Hose Barb Fittings, Reducer Tube Fittings Pipe Adapter Kit for Air Gas Water System
SS-400-R-3 | Swagelok Tube Reducer, 1/4" Tube : OD Compression x 3/16" Tube : Stub, 316 Stainless $15.50

$1550
current price $15.50SS-400-R-3 | Swagelok Tube Reducer, 1/4" Tube : OD Compression x 3/16" Tube : Stub, 316 Stainless
Smc Reducer,1/4 in.x5/16 in.,TubexTube KQ2H07-09A $11.89 Was $13.99

Now$1189
current price Now $11.89, Was $13.99$13.99
Smc Reducer,1/4 in.x5/16 in.,TubexTube KQ2H07-09A
Copper Reducers 99.9% Pure Copper Reducing Coupling Pressure Fitting Pipe Tube Connector Adapter 1/2 to 3/8 Inch $18.99 Was $18.99

$1899
current price $18.99, Was $18.99$18.99
Copper Reducers 99.9% Pure Copper Reducing Coupling Pressure Fitting Pipe Tube Connector Adapter 1/2 to 3/8 Inch
Uxcell 5/8" x 3/8" x 5/8" ID Reducing Tee Copper Fitting, 3pcs Copper Pipe Tube Connector Adapter Reducer $12.99

$1299
current price $12.99Uxcell 5/8" x 3/8" x 5/8" ID Reducing Tee Copper Fitting, 3pcs Copper Pipe Tube Connector Adapter Reducer
Uxcell 6 Pcs T Shape 3 Way Push to Connect Fitting, 5/16" OD Tube Reducer Connector Quick Push Lock Adapter Air Hose Fitting for Pneumatic System Pipeline Connection, Blue $10.19

$1019
current price $10.19Uxcell 6 Pcs T Shape 3 Way Push to Connect Fitting, 5/16" OD Tube Reducer Connector Quick Push Lock Adapter Air Hose Fitting for Pneumatic System Pipeline Connection, Blue
Nibco Reducer,Wrot Copper,4"x3" Tube,CxC 600R 4x3 $84.67 Was $109.99

Now$8467
current price Now $84.67, Was $109.99$109.99
Nibco Reducer,Wrot Copper,4"x3" Tube,CxC 600R 4x3
Uxcell 1 1/8" to 1" ID Copper Reducer, 4pcs Copper Reducing Coupling Pressure Fitting Pipe Tube Connector Adapter $16.49

$1649
current price $16.49Uxcell 1 1/8" to 1" ID Copper Reducer, 4pcs Copper Reducing Coupling Pressure Fitting Pipe Tube Connector Adapter
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