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Return Air Drops, Plenums and Boxes

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Southwark 1074 16-1/2X20X48
SKU: 74814

Southwark 1074 Style A Plenum with Top, Sheet Metal, 20 Inch W x 48 Inch H x 16-1/2 Inch D


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Southwark FB2128
SKU: 74846

Southwark FB Furnace Support Box with Filter Slot, 20 x 25 x 1 Inch, 21 Inch W x 18 -1/2 Inch H


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Southwark FB1728
SKU: 74847

Southwark FB Furnace Support Box, 16 x 25 x 1 Inch, 17-1/2 Inch W x 18 Inch H


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Southwark FB1428
SKU: 74915

Southwark FB Furnace Support Box, 14 x 25 x 1 Inch, 14-1/2 Inch W x 18 Inch H


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Southwark FSB1L-1428-12H
SKU: 82974

Southwark FSB1L-1428-12H Furnace Support Box, 14-1/2 Inch W x 28 Inch D x 12 Inch H


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Southwark 1221 20X10
SKU: 28439

Southwark 1221 Return Air Package, 20 x 10 - 20 x 16 Inch, Sheet Metal


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Southwark FSB1L-2128-6H
SKU: 80447

Southwark FSB1L-2128-6H Furnace Support Box, 21 Inch W x 28 Inch D x 6 Inch H


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Southwark FSB1L-1428-6H
SKU: 80449

Southwark FSB1L-1428-6H Furnace Support Box, 14-1/2 Inch W x 28 Inch D x 6 Inch H


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Southwark 1221B 20X10
SKU: 28438

Southwark 1221B Cold Air Boot, 20 x 10 - 20 x 16 Inch, Sheet Metal


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Southwark 1223B 20X10
SKU: 28443

Southwark 1223B Cold Air Boot, 20 x 10 - 20 x 14 Inch, Sheet Metal


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Southwark 1222 25X10
SKU: 28440

Southwark 1222 Return Air Package, 25 x 10 - 25 x 16 Inch, Sheet Metal


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Southwark 1222B 25X10
SKU: 28441

Southwark 1222B Cold Air Boot, 25 x 10 - 25 x 16 Inch, Sheet Metal