购买 round duct reducer

赞助
$20.12
Greenseam Duct Reducer: Steel, For 9 in Dia, 6 in Lg, 9 in Inlet Dia, 8 in Outlet Dia, 26 Ga Material Thick Model: GRR9P8PGA26
Grainger
$20.12
Greenseam Duct Reducer: Steel, For 9 in Dia, 6 in Lg, 9 in Inlet Dia, 8 in Outlet Dia, 26 Ga Material Thick Model: GRR9P8PGA26
Grainger
$25.81
Greenseam Duct Collar W/Damper: Steel, For 6 in Dia, 5 in Lg, 6 in Flange I.D., 1 in Flange O. D. Model: GR6POCR6GA26D
Grainger
$25.81
Greenseam Duct Collar W/Damper: Steel, For 6 in Dia, 5 in Lg, 6 in Flange I.D., 1 in Flange O. D. Model: GR6POCR6GA26D
Grainger
$350.62
Greenseam Rigid Ducts: Steel, For 14 in Dia, 60 in Lg, 24 Ga Material Thick [PK/5] Model: GR60SPBGP14GA24
Grainger
$350.62
Greenseam Rigid Ducts: Steel, For 14 in Dia, 60 in Lg, 24 Ga Material Thick [PK/5] Model: GR60SPBGP14GA24
Grainger
$266.36
Nordfab Duct Reducer: Steel, For 8 In_16 in Duct Dia, 16 in Overall Lg, 16 in Inlet Dia, 8 in Outlet Dia Model: 8040025942
Grainger
$266.36
Nordfab Duct Reducer: Steel, For 8 In_16 in Duct Dia, 16 in Overall Lg, 16 in Inlet Dia, 8 in Outlet Dia Model: 8040025942
Grainger
$9.03
Ductmate Duct Hangers: 50 in Duct, 660 Lb Capacity, Steel, 2 1/2 in Lg, 1 5/8 in Wd [PK/5] Model: GRDM4703GA
Grainger
1
$9.03
Ductmate Duct Hangers: 50 in Duct, 660 Lb Capacity, Steel, 2 1/2 in Lg, 1 5/8 in Wd [PK/5] Model: GRDM4703GA
Grainger
$19.74
Greenseam 90 Degree Elbow: Steel, For 12 in Dia, 16 in Lg, 90 Angle, 10 in Centerline Radius, 12 in Inlet Dia Model: GRAE1290GA26
Grainger
1
$19.74
Greenseam 90 Degree Elbow: Steel, For 12 in Dia, 16 in Lg, 90 Angle, 10 in Centerline Radius, 12 in Inlet Dia Model: GRAE1290GA26
Grainger
$382.80
Nordfab Duct Reducer: Stainless Steel, For 12 In_14 in Duct Dia, 8 in Overall Lg, 14 in Inlet Dia Model: 8040026093
Grainger
$382.80
Nordfab Duct Reducer: Stainless Steel, For 12 In_14 in Duct Dia, 8 in Overall Lg, 14 in Inlet Dia Model: 8040026093
Grainger
$63.18
Nordfab Angle Flange Adapter: Steel, For 14 in Duct Dia, 1 1/2 in Overall Lg, 14 1/8 in Flange Inner Dia Model: 8010000151
Grainger
$63.18
Nordfab Angle Flange Adapter: Steel, For 14 in Duct Dia, 1 1/2 in Overall Lg, 14 1/8 in Flange Inner Dia Model: 8010000151
Grainger
$29.95
10" To 8" Duct Reducer Round Reducer Duct Fitting Pipe Increaser Reducer Made From Galvanized Steel (Drain, Waste And Vent) Reducing Coupling (Metal
Amazon.com
420
$29.95
10" To 8" Duct Reducer Round Reducer Duct Fitting Pipe Increaser Reducer Made From Galvanized Steel (Drain, Waste And Vent) Reducing Coupling (Metal
Amazon.com
$21.55
Dayton Reducer 6" X 5": For Use With 3AA17/3AA18/3AA21/3AA23 Model: HV2121500G
Grainger
$21.55
Dayton Reducer 6" X 5": For Use With 3AA17/3AA18/3AA21/3AA23 Model: HV2121500G
Grainger
$48.13
Greenseam Duct Tee: Steel, For 4 in Dia, 10 1/2 in Lg, 4 in Inlet Dia, 4 in Outlet Dia, 26 Ga Material Thick Model: GRFTJ4GA26
Grainger
$48.13
Greenseam Duct Tee: Steel, For 4 in Dia, 10 1/2 in Lg, 4 in Inlet Dia, 4 in Outlet Dia, 26 Ga Material Thick Model: GRFTJ4GA26
Grainger
$54.99
Duct Outlet 16" X 12" Duct Reducer, Single Wall Galvanized Metal Fitting HVAC
Amazon.com
25
Free shipping
$54.99
Duct Outlet 16" X 12" Duct Reducer, Single Wall Galvanized Metal Fitting HVAC
Amazon.com
$316.97
Greenseam Rigid Ducts: Steel, For 12 in Dia, 60 in Lg, 24 Ga Material Thick [PK/5] Model: GR60SPBGP12GA24
Grainger
$316.97
Greenseam Rigid Ducts: Steel, For 12 in Dia, 60 in Lg, 24 Ga Material Thick [PK/5] Model: GR60SPBGP12GA24
Grainger
$39.97
HVAC OV 12.5" To 8" Inch Round Duct Reducer - Galvanized Steel Pipe Increaser - Coupling For Round Duct Ventilation Systems - Heating & Cooling, HVAC
Amazon.com
5
Free shipping
$39.97
HVAC OV 12.5" To 8" Inch Round Duct Reducer - Galvanized Steel Pipe Increaser - Coupling For Round Duct Ventilation Systems - Heating & Cooling, HVAC
Amazon.com
$28.99
AC Infinity Duct Adapter, 8" To 6" Ducting Reducer Increaser Cone For Grow Tent Bathroom Kitchen Ventilation Systems
Amazon.com
1 千+
$28.99
AC Infinity Duct Adapter, 8" To 6" Ducting Reducer Increaser Cone For Grow Tent Bathroom Kitchen Ventilation Systems
Amazon.com
$21.97
HVAC OV 8" To 5" Inch Round Duct Reducer - Galvanized Steel Pipe Increaser - Coupling For Round Duct Ventilation Systems - Heating & Cooling, HVAC
Amazon.com
108
$21.97
HVAC OV 8" To 5" Inch Round Duct Reducer - Galvanized Steel Pipe Increaser - Coupling For Round Duct Ventilation Systems - Heating & Cooling, HVAC
Amazon.com
$19.99
Dunzy Duct Reducer 8 To 6 Inch Ducting Connector Air Adapter Reducer Increaser Round Galvanized Steel Air Adapter For Bathroom Kitchen(1 Piece)
Amazon.com
27
$19.99
Dunzy Duct Reducer 8 To 6 Inch Ducting Connector Air Adapter Reducer Increaser Round Galvanized Steel Air Adapter For Bathroom Kitchen(1 Piece)
Amazon.com
$763.14
Nordfab Rigid Duct: Stainless Steel, For 24 in Duct Dia, 58 3/4 in Overall Lg, 20 Ga Material Thick Model: 8040206815
Grainger
$763.14
Nordfab Rigid Duct: Stainless Steel, For 24 in Duct Dia, 58 3/4 in Overall Lg, 20 Ga Material Thick Model: 8040206815
Grainger
$29.98
Duct Reducter 10 To 6 Air Ducting Reducer Increaser Air Duct Adapter Or Round Metal Pipe Reducer For Bathroom Kitchen Ventilation Systems
Amazon.com
366
$29.98
Duct Reducter 10 To 6 Air Ducting Reducer Increaser Air Duct Adapter Or Round Metal Pipe Reducer For Bathroom Kitchen Ventilation Systems
Amazon.com
$21.49
PATIKIL 6 Inch To 3 Inch Round Duct Reducer Increaser Connector, Galvanized Steel Adapter Pipe Fitting For Bathroom Kitchen Ventilation Systems,
Amazon.com
10
$21.49
PATIKIL 6 Inch To 3 Inch Round Duct Reducer Increaser Connector, Galvanized Steel Adapter Pipe Fitting For Bathroom Kitchen Ventilation Systems,
Amazon.com
$26.98
Duct Reducter 10 To 8 Air Ducting Reducer Increaser Air Duct Adapter Or Round Metal Pipe Reducer For Bathroom Kitchen Ventilation Systems
Amazon.com
88
$26.98
Duct Reducter 10 To 8 Air Ducting Reducer Increaser Air Duct Adapter Or Round Metal Pipe Reducer For Bathroom Kitchen Ventilation Systems
Amazon.com
$19.98
Duct Reducter 8 To 6 Air Ducting Reducer Increaser Air Duct Adapter Or Round Metal Pipe Reducer For Bathroom Kitchen Ventilation Systems
Amazon.com
321
$19.98
Duct Reducter 8 To 6 Air Ducting Reducer Increaser Air Duct Adapter Or Round Metal Pipe Reducer For Bathroom Kitchen Ventilation Systems
Amazon.com
$33.99
Duct Outlet Short Duct Reducer Hvac, 16" X 14"
Walmart
Free shipping
$33.99
Duct Outlet Short Duct Reducer Hvac, 16" X 14"
Walmart
$162.73
Allegro Duct To Duct Connector: 12 in Outlet Dia, For Use With 12 in Circular Ducting, Silver, Steel Model: 9550-Y
Grainger
1
$162.73
Allegro Duct To Duct Connector: 12 in Outlet Dia, For Use With 12 in Circular Ducting, Silver, Steel Model: 9550-Y
Grainger
$39.99
Duct Outlet 14" X 10" Duct Reducer, Single Wall Galvanized Metal Fitting Hvac
Walmart
1
Free shipping
$39.99
Duct Outlet 14" X 10" Duct Reducer, Single Wall Galvanized Metal Fitting Hvac
Walmart
$120.51
Ductmate Flexible Duct Connector: Vinyl, Protect Lock, Steel, 50 ft Lg, 6 1/2 in Wd Model: GRPFRO3VGA50
Grainger
4
$120.51
Ductmate Flexible Duct Connector: Vinyl, Protect Lock, Steel, 50 ft Lg, 6 1/2 in Wd Model: GRPFRO3VGA50
Grainger
$39.99
Duct Outlet 14" X 12" Duct Reducer, Single Wall Galvanized Metal Fitting Hvac
Walmart
Free shipping
$39.99
Duct Outlet 14" X 12" Duct Reducer, Single Wall Galvanized Metal Fitting Hvac
Walmart
$13.98
Duct Reducter 6 To 4 Air Ducting Reducer Increaser Air Duct Adapter Or Round Metal Pipe Reducer For Bathroom Kitchen Ventilation Systems
Amazon.com
315
$13.98
Duct Reducter 6 To 4 Air Ducting Reducer Increaser Air Duct Adapter Or Round Metal Pipe Reducer For Bathroom Kitchen Ventilation Systems
Amazon.com
$36.21
Dayton Round Duct Connector: Steel, Galvanized, 8 in X 8 in X 3/4 In, Round Duct Connector Model: 6WZP3
Grainger
$36.21
Dayton Round Duct Connector: Steel, Galvanized, 8 in X 8 in X 3/4 In, Round Duct Connector Model: 6WZP3
Grainger
$41.39
Greenseam Reducer,12" X 9" Duct Size Grr12p9pga24
Walmart
Free shipping
$41.39
Greenseam Reducer,12" X 9" Duct Size Grr12p9pga24
Walmart
$26.39
Ameri-Vent Reducer Wye: 5 in Duct, 13 1/2 in Lg, Steel, 5 1/2 in Inlet Dia, 4 1/2 in Outlet Dia, Category I Model: 5FCY44
Grainger
$26.39
Ameri-Vent Reducer Wye: 5 in Duct, 13 1/2 in Lg, Steel, 5 1/2 in Inlet Dia, 4 1/2 in Outlet Dia, Category I Model: 5FCY44
Grainger
$28.64
Broan Transition Duct: For 7 in Duct Dia, For 10 in Duct Ht, For 3 1/4 in Duct Wd, Steel, 30 Ga Model: 412H
Grainger
112
$28.64
Broan Transition Duct: For 7 in Duct Dia, For 10 in Duct Ht, For 3 1/4 in Duct Wd, Steel, 30 Ga Model: 412H
Grainger
$49.02
Ductmate Connector Sleeve: 12 in Duct, Neoprene, Steel, 3 1/2 in Lg, 12 in Wd Model: GRQS12GA
Grainger
$49.02
Ductmate Connector Sleeve: 12 in Duct, Neoprene, Steel, 3 1/2 in Lg, 12 in Wd Model: GRQS12GA
Grainger
$50.45
Ductmate Duct Coupler: 12 in Duct, Neoprene, Steel, 42 in Lg, 12 in Wd Model: GRLABQS12GA
Grainger
$50.45
Ductmate Duct Coupler: 12 in Duct, Neoprene, Steel, 42 in Lg, 12 in Wd Model: GRLABQS12GA
Grainger
$22.89
PATIKIL 6" To 4" Eccentric Duct Reducer, 1Pcs Galvanized Iron Ducting Connector Round Air Duct Adapter Pipe Fitting For Vent Inline Ventilation
Amazon.com
$22.89
PATIKIL 6" To 4" Eccentric Duct Reducer, 1Pcs Galvanized Iron Ducting Connector Round Air Duct Adapter Pipe Fitting For Vent Inline Ventilation
Amazon.com
$279.95
8" Square To Round Adapter For 5HP High Vacuum - Raw
Oneida Air Systems Inc.
$279.95
8" Square To Round Adapter For 5HP High Vacuum - Raw
Oneida Air Systems Inc.
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    购买 round duct reducer

    赞助
    $20.12
    Greenseam Duct Reducer: Steel, For 9 in Dia, 6 in Lg, 9 in Inlet Dia, 8 in Outlet Dia, 26 Ga Material Thick Model: GRR9P8PGA26
    Grainger
    $20.12
    Greenseam Duct Reducer: Steel, For 9 in Dia, 6 in Lg, 9 in Inlet Dia, 8 in Outlet Dia, 26 Ga Material Thick Model: GRR9P8PGA26
    Grainger
    $25.81
    Greenseam Duct Collar W/Damper: Steel, For 6 in Dia, 5 in Lg, 6 in Flange I.D., 1 in Flange O. D. Model: GR6POCR6GA26D
    Grainger
    $25.81
    Greenseam Duct Collar W/Damper: Steel, For 6 in Dia, 5 in Lg, 6 in Flange I.D., 1 in Flange O. D. Model: GR6POCR6GA26D
    Grainger
    $350.62
    Greenseam Rigid Ducts: Steel, For 14 in Dia, 60 in Lg, 24 Ga Material Thick [PK/5] Model: GR60SPBGP14GA24
    Grainger
    $350.62
    Greenseam Rigid Ducts: Steel, For 14 in Dia, 60 in Lg, 24 Ga Material Thick [PK/5] Model: GR60SPBGP14GA24
    Grainger
    $266.36
    Nordfab Duct Reducer: Steel, For 8 In_16 in Duct Dia, 16 in Overall Lg, 16 in Inlet Dia, 8 in Outlet Dia Model: 8040025942
    Grainger
    $266.36
    Nordfab Duct Reducer: Steel, For 8 In_16 in Duct Dia, 16 in Overall Lg, 16 in Inlet Dia, 8 in Outlet Dia Model: 8040025942
    Grainger
    $9.03
    Ductmate Duct Hangers: 50 in Duct, 660 Lb Capacity, Steel, 2 1/2 in Lg, 1 5/8 in Wd [PK/5] Model: GRDM4703GA
    Grainger
    1
    $9.03
    Ductmate Duct Hangers: 50 in Duct, 660 Lb Capacity, Steel, 2 1/2 in Lg, 1 5/8 in Wd [PK/5] Model: GRDM4703GA
    Grainger
    $19.74
    Greenseam 90 Degree Elbow: Steel, For 12 in Dia, 16 in Lg, 90 Angle, 10 in Centerline Radius, 12 in Inlet Dia Model: GRAE1290GA26
    Grainger
    1
    $19.74
    Greenseam 90 Degree Elbow: Steel, For 12 in Dia, 16 in Lg, 90 Angle, 10 in Centerline Radius, 12 in Inlet Dia Model: GRAE1290GA26
    Grainger
    $382.80
    Nordfab Duct Reducer: Stainless Steel, For 12 In_14 in Duct Dia, 8 in Overall Lg, 14 in Inlet Dia Model: 8040026093
    Grainger
    $382.80
    Nordfab Duct Reducer: Stainless Steel, For 12 In_14 in Duct Dia, 8 in Overall Lg, 14 in Inlet Dia Model: 8040026093
    Grainger
    $63.18
    Nordfab Angle Flange Adapter: Steel, For 14 in Duct Dia, 1 1/2 in Overall Lg, 14 1/8 in Flange Inner Dia Model: 8010000151
    Grainger
    $63.18
    Nordfab Angle Flange Adapter: Steel, For 14 in Duct Dia, 1 1/2 in Overall Lg, 14 1/8 in Flange Inner Dia Model: 8010000151
    Grainger
    $29.95
    10" To 8" Duct Reducer Round Reducer Duct Fitting Pipe Increaser Reducer Made From Galvanized Steel (Drain, Waste And Vent) Reducing Coupling (Metal
    Amazon.com
    420
    $29.95
    10" To 8" Duct Reducer Round Reducer Duct Fitting Pipe Increaser Reducer Made From Galvanized Steel (Drain, Waste And Vent) Reducing Coupling (Metal
    Amazon.com
    $21.55
    Dayton Reducer 6" X 5": For Use With 3AA17/3AA18/3AA21/3AA23 Model: HV2121500G
    Grainger
    $21.55
    Dayton Reducer 6" X 5": For Use With 3AA17/3AA18/3AA21/3AA23 Model: HV2121500G
    Grainger
    $48.13
    Greenseam Duct Tee: Steel, For 4 in Dia, 10 1/2 in Lg, 4 in Inlet Dia, 4 in Outlet Dia, 26 Ga Material Thick Model: GRFTJ4GA26
    Grainger
    $48.13
    Greenseam Duct Tee: Steel, For 4 in Dia, 10 1/2 in Lg, 4 in Inlet Dia, 4 in Outlet Dia, 26 Ga Material Thick Model: GRFTJ4GA26
    Grainger
    $54.99
    Duct Outlet 16" X 12" Duct Reducer, Single Wall Galvanized Metal Fitting HVAC
    Amazon.com
    25
    Free shipping
    $54.99
    Duct Outlet 16" X 12" Duct Reducer, Single Wall Galvanized Metal Fitting HVAC
    Amazon.com
    $316.97
    Greenseam Rigid Ducts: Steel, For 12 in Dia, 60 in Lg, 24 Ga Material Thick [PK/5] Model: GR60SPBGP12GA24
    Grainger
    $316.97
    Greenseam Rigid Ducts: Steel, For 12 in Dia, 60 in Lg, 24 Ga Material Thick [PK/5] Model: GR60SPBGP12GA24
    Grainger
    $39.97
    HVAC OV 12.5" To 8" Inch Round Duct Reducer - Galvanized Steel Pipe Increaser - Coupling For Round Duct Ventilation Systems - Heating & Cooling, HVAC
    Amazon.com
    5
    Free shipping
    $39.97
    HVAC OV 12.5" To 8" Inch Round Duct Reducer - Galvanized Steel Pipe Increaser - Coupling For Round Duct Ventilation Systems - Heating & Cooling, HVAC
    Amazon.com
    $28.99
    AC Infinity Duct Adapter, 8" To 6" Ducting Reducer Increaser Cone For Grow Tent Bathroom Kitchen Ventilation Systems
    Amazon.com
    1 千+
    $28.99
    AC Infinity Duct Adapter, 8" To 6" Ducting Reducer Increaser Cone For Grow Tent Bathroom Kitchen Ventilation Systems
    Amazon.com
    $21.97
    HVAC OV 8" To 5" Inch Round Duct Reducer - Galvanized Steel Pipe Increaser - Coupling For Round Duct Ventilation Systems - Heating & Cooling, HVAC
    Amazon.com
    108
    $21.97
    HVAC OV 8" To 5" Inch Round Duct Reducer - Galvanized Steel Pipe Increaser - Coupling For Round Duct Ventilation Systems - Heating & Cooling, HVAC
    Amazon.com
    $19.99
    Dunzy Duct Reducer 8 To 6 Inch Ducting Connector Air Adapter Reducer Increaser Round Galvanized Steel Air Adapter For Bathroom Kitchen(1 Piece)
    Amazon.com
    27
    $19.99
    Dunzy Duct Reducer 8 To 6 Inch Ducting Connector Air Adapter Reducer Increaser Round Galvanized Steel Air Adapter For Bathroom Kitchen(1 Piece)
    Amazon.com
    $763.14
    Nordfab Rigid Duct: Stainless Steel, For 24 in Duct Dia, 58 3/4 in Overall Lg, 20 Ga Material Thick Model: 8040206815
    Grainger
    $763.14
    Nordfab Rigid Duct: Stainless Steel, For 24 in Duct Dia, 58 3/4 in Overall Lg, 20 Ga Material Thick Model: 8040206815
    Grainger