Return Air Drops, Plenums and Boxes

SW1074132048 #1074 13X20X48 PLENUM WITH TOP (66G48H)

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

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

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

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

Southwark 1076 Adjustable Plenum, Sheet Metal, 24 Inch W x 48 Inch H x 24 Inch D

SW864X10X5 86 4.2 4X10X5 R-4.2 INSULATED CEILING BOX

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

Southwark SBF Return Air Support Box with Filter Access Tray, 10 x 25 Inch, Sheet Metal, 26 Inch W x 36 Inch D

Southwark 1223 Return Air Package, 20 x 10 - 20 x 14 Inch, Sheet Metal

SW1074232048 #1074 23X20X48 PLENUM WITH TOP (86G48H)

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