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Duct Increasers/Reducers

Learn More

(274 items)

Duct Increasers/Reducers

(274 items)

Learn More

(274 items)
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Snappy™ 49-02 114 Trunk Reducer, 2 x 8 in
Snappy
Snappy™ 49-02 114 Trunk Reducer, 2 x 8 in
MFG Part# 49-02
DSG#28121
UPC#687384041012
GRAYM 4X3-311PF 4X3 GALVANIZED PLAIN FLAT REDUCER
Gray Metal
GRAYM 4X3-311PF 4X3 GALVANIZED PLAIN FLAT REDUCER
MFG Part# 4X3-311PF
DSG#376556
UPC#66283743243
4 in x 3 in Reducer NC
Lukjan
4 in x 3 in Reducer NC
MFG Part# RX410403
DSG#21365
UPC#809602015197
GRAYM 4X3-311P 4X3 GALV PLAIN TAPER REDUCER
Gray Metal
GRAYM 4X3-311P 4X3 GALV PLAIN TAPER REDUCER
MFG Part# 4X3-311P
DSG#376555
UPC#66283734311
Selkirk® by Duravent 104305 Double Wall Low Profile Increaser, 4 x 5 in Dia, Steel, Galvanized
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™ 49-04 114 Trunk Reducer, 4 x 8 in
Snappy
Snappy™ 49-04 114 Trunk Reducer, 4 x 8 in
MFG Part# 49-04
DSG#28131
UPC#687384041029
Snappy™ 66-86 Non-Crimped Tapered Reducer, 8 x 6 in, 28 ga
Snappy
Snappy™ 66-86 Non-Crimped Tapered Reducer, 8 x 6 in, 28 ga
MFG Part# 66-86
DSG#28695
UPC#687384279491
4 in x 8 in Duct Adapter
Lukjan
4 in x 8 in Duct Adapter
MFG Part# DX800408
DSG#18571
UPC#809602011588
6 in x 4 in Reducer NC
Lukjan
6 in x 4 in Reducer NC
MFG Part# RX410604
DSG#21388
UPC#809602015234
Snappy™ 66-65 Non-Crimped Tapered Reducer, 6 x 5 in, 28 ga
Snappy
Snappy™ 66-65 Non-Crimped Tapered Reducer, 6 x 5 in, 28 ga
MFG Part# 66-65
DSG#28666
UPC#687384279422
Southwark 5864 3-Piece Round Tapered Reducer, 6 x 4 in, 28 ga
Southwark Metal
Southwark 5864 3-Piece Round Tapered Reducer, 6 x 4 in, 28 ga
MFG Part# 5864
DSG#53894
UPC#099273521183
GRAYM 6X4-311P 6X4 GALV PLAIN TAPER REDUCER
Gray Metal
GRAYM 6X4-311P 6X4 GALV PLAIN TAPER REDUCER
MFG Part# 6X4-311P
DSG#376625
UPC#66283746311
Southwark 581210 3-Piece Round Tapered Reducer, 12 x 10 in, 28 ga
Southwark Metal
Southwark 581210 3-Piece Round Tapered Reducer, 12 x 10 in, 28 ga
MFG Part# 581210
DSG#51975
UPC#099273520483
6 in x 5 in Reducer NC
Lukjan
6 in x 5 in Reducer NC
MFG Part# RX410605
DSG#21399
Gray Metal 20X8X16X8-190 Trunk Duct Reducer With Slide and Drive, 20 x 8 in to 16 x 8 in, 26 ga
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
2 in x 8 in Duct Adapter
Lukjan
2 in x 8 in Duct Adapter
MFG Part# DX800208
DSG#18564
UPC#809602011571
Snappy™ 49-02 114 Trunk Reducer, 2 x 8 in
Snappy
Snappy™ 49-02 114 Trunk Reducer, 2 x 8 in
MFG Part# 49-02
DSG#28121
UPC#687384041012
GRAYM 4X3-311PF 4X3 GALVANIZED PLAIN FLAT REDUCER
Gray Metal
GRAYM 4X3-311PF 4X3 GALVANIZED PLAIN FLAT REDUCER
MFG Part# 4X3-311PF
DSG#376556
UPC#66283743243
4 in x 3 in Reducer NC
Lukjan
4 in x 3 in Reducer NC
MFG Part# RX410403
DSG#21365
UPC#809602015197
GRAYM 4X3-311P 4X3 GALV PLAIN TAPER REDUCER
Gray Metal
GRAYM 4X3-311P 4X3 GALV PLAIN TAPER REDUCER
MFG Part# 4X3-311P
DSG#376555
UPC#66283734311
Selkirk® by Duravent 104305 Double Wall Low Profile Increaser, 4 x 5 in Dia, Steel, Galvanized
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™ 49-04 114 Trunk Reducer, 4 x 8 in
Snappy
Snappy™ 49-04 114 Trunk Reducer, 4 x 8 in
MFG Part# 49-04
DSG#28131
UPC#687384041029
Snappy™ 66-86 Non-Crimped Tapered Reducer, 8 x 6 in, 28 ga
Snappy
Snappy™ 66-86 Non-Crimped Tapered Reducer, 8 x 6 in, 28 ga
MFG Part# 66-86
DSG#28695
UPC#687384279491
4 in x 8 in Duct Adapter
Lukjan
4 in x 8 in Duct Adapter
MFG Part# DX800408
DSG#18571
UPC#809602011588
6 in x 4 in Reducer NC
Lukjan
6 in x 4 in Reducer NC
MFG Part# RX410604
DSG#21388
UPC#809602015234
Snappy™ 66-65 Non-Crimped Tapered Reducer, 6 x 5 in, 28 ga
Snappy
Snappy™ 66-65 Non-Crimped Tapered Reducer, 6 x 5 in, 28 ga
MFG Part# 66-65
DSG#28666
UPC#687384279422
Southwark 5864 3-Piece Round Tapered Reducer, 6 x 4 in, 28 ga
Southwark Metal
Southwark 5864 3-Piece Round Tapered Reducer, 6 x 4 in, 28 ga
MFG Part# 5864
DSG#53894
UPC#099273521183
GRAYM 6X4-311P 6X4 GALV PLAIN TAPER REDUCER
Gray Metal
GRAYM 6X4-311P 6X4 GALV PLAIN TAPER REDUCER
MFG Part# 6X4-311P
DSG#376625
UPC#66283746311
Southwark 581210 3-Piece Round Tapered Reducer, 12 x 10 in, 28 ga
Southwark Metal
Southwark 581210 3-Piece Round Tapered Reducer, 12 x 10 in, 28 ga
MFG Part# 581210
DSG#51975
UPC#099273520483
6 in x 5 in Reducer NC
Lukjan
6 in x 5 in Reducer NC
MFG Part# RX410605
DSG#21399
Gray Metal 20X8X16X8-190 Trunk Duct Reducer With Slide and Drive, 20 x 8 in to 16 x 8 in, 26 ga
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
2 in x 8 in Duct Adapter
Lukjan
2 in x 8 in Duct Adapter
MFG Part# DX800208
DSG#18564
UPC#809602011571