19" x 12-3/4" to 23-1/16" x 21-1/8" x 12" R-6 Insulated Transition Boxed Plenum, 1" Flange

Name: 19" x 12-3/4" to 23-1/16" x 21-1/8" x 12" R-6 Insulated Transition Boxed Plenum, 1" Flange
Brand: American Sheet Metal
SKU: ATR19122321MR

American Sheet Metal

MFR# ATR19122321MR | MSC-2336833