Duct Increasers/Reducers

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(265 items)

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: Centrotherm 2
Gray Metal 61
Hart & Cooley 5
heatfab 1
Lukjan 90

Duct Increasers/Reducers

(265 items)

Learn More

(265 items)

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Snappy

Snappy™ 49-02 114 Trunk Reducer, 2 x 8 in

MFG Part# 49-02

DSG#28121

UPC#687384041012

Gray Metal

GRAYM 4X3-311PF 4X3 GALVANIZED PLAIN FLAT REDUCER

MFG Part# 4X3-311PF

DSG#376556

UPC#66283743243

rx41_431 tapered reducer-20240802102228806-633045102.jpg

Lukjan

4 in x 3 in Reducer NC

MFG Part# RX410403

DSG#21365

UPC#809602015197

Gray Metal

GRAYM 4X3-311P 4X3 GALV PLAIN TAPER REDUCER

MFG Part# 4X3-311P

DSG#376555

UPC#66283734311

Selkirk

Selkirk® by Duravent 104305 Double Wall Low Profile Increaser, 4 x 5 in Dia, Steel, Galvanized

MFG Part# 104305

DSG#48814

UPC#537131258432

Snappy

Snappy™ 49-04 114 Trunk Reducer, 4 x 8 in

MFG Part# 49-04

DSG#28131

UPC#687384041029

Snappy

Snappy™ 66-86 Non-Crimped Tapered Reducer, 8 x 6 in, 28 ga

MFG Part# 66-86

DSG#28695

UPC#687384279491

dx80_534 duct adapter-20240802102225943-1578166865.jpg

Lukjan

4 in x 8 in Duct Adapter

MFG Part# DX800408

DSG#18571

UPC#809602011588

Lukjan

6 in x 4 in Reducer NC

MFG Part# RX410604

DSG#21388

UPC#809602015234

Snappy

Snappy™ 66-65 Non-Crimped Tapered Reducer, 6 x 5 in, 28 ga

MFG Part# 66-65

DSG#28666

UPC#687384279422

Southwark Metal

Southwark 5864 3-Piece Round Tapered Reducer, 6 x 4 in, 28 ga

MFG Part# 5864

DSG#53894

UPC#099273521183

Gray Metal

GRAYM 6X4-311P 6X4 GALV PLAIN TAPER REDUCER

MFG Part# 6X4-311P

DSG#376625

UPC#66283746311

Southwark Metal

Southwark 581210 3-Piece Round Tapered Reducer, 12 x 10 in, 28 ga

MFG Part# 581210

DSG#51975

UPC#099273520483

Lukjan

6 in x 5 in Reducer NC

MFG Part# RX410605

DSG#21399

Gray Metal

Gray Metal 20X8X16X8-190 Trunk Duct Reducer With Slide and Drive, 20 x 8 in to 16 x 8 in, 26 ga

MFG Part# 20X8X16X8-190

DSG#376481

UPC#66283720190

Lukjan

2 in x 8 in Duct Adapter

MFG Part# DX800208

DSG#18564

UPC#809602011571

Snappy

Snappy™ 49-02 114 Trunk Reducer, 2 x 8 in

MFG Part# 49-02

DSG#28121

UPC#687384041012

Gray Metal

GRAYM 4X3-311PF 4X3 GALVANIZED PLAIN FLAT REDUCER

MFG Part# 4X3-311PF

DSG#376556

UPC#66283743243

Lukjan

4 in x 3 in Reducer NC

MFG Part# RX410403

DSG#21365

UPC#809602015197

Gray Metal

GRAYM 4X3-311P 4X3 GALV PLAIN TAPER REDUCER

MFG Part# 4X3-311P

DSG#376555

UPC#66283734311

Selkirk

Selkirk® by Duravent 104305 Double Wall Low Profile Increaser, 4 x 5 in Dia, Steel, Galvanized

MFG Part# 104305

DSG#48814

UPC#537131258432

Snappy

Snappy™ 49-04 114 Trunk Reducer, 4 x 8 in

MFG Part# 49-04

DSG#28131

UPC#687384041029

Snappy

Snappy™ 66-86 Non-Crimped Tapered Reducer, 8 x 6 in, 28 ga

MFG Part# 66-86

DSG#28695

UPC#687384279491

Lukjan

4 in x 8 in Duct Adapter

MFG Part# DX800408

DSG#18571

UPC#809602011588

Lukjan

6 in x 4 in Reducer NC

MFG Part# RX410604

DSG#21388

UPC#809602015234

Snappy

Snappy™ 66-65 Non-Crimped Tapered Reducer, 6 x 5 in, 28 ga

MFG Part# 66-65

DSG#28666

UPC#687384279422

Southwark Metal

Southwark 5864 3-Piece Round Tapered Reducer, 6 x 4 in, 28 ga

MFG Part# 5864

DSG#53894

UPC#099273521183

Gray Metal

GRAYM 6X4-311P 6X4 GALV PLAIN TAPER REDUCER

MFG Part# 6X4-311P

DSG#376625

UPC#66283746311

Southwark Metal

Southwark 581210 3-Piece Round Tapered Reducer, 12 x 10 in, 28 ga

MFG Part# 581210

DSG#51975

UPC#099273520483

Lukjan

6 in x 5 in Reducer NC

MFG Part# RX410605

DSG#21399

Gray Metal

Gray Metal 20X8X16X8-190 Trunk Duct Reducer With Slide and Drive, 20 x 8 in to 16 x 8 in, 26 ga

MFG Part# 20X8X16X8-190

DSG#376481

UPC#66283720190

Lukjan

2 in x 8 in Duct Adapter

MFG Part# DX800208

DSG#18564

UPC#809602011571

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