Return Air Drops, Plenums and Boxes

Southwark 1074 Style A Plenum, Sheet Metal, 20 Inch W x 48 Inch H x 20 Inch D

Southwark 1076 Adjustable Plenum, Sheet Metal, 24 Inch W x 36 Inch H x 24 Inch D

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

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

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

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

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

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

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

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

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

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