Standard Furnace Plenum With CapStandard Furnace Plenum With Cap, 20-1/2 x 20-1/2 in, 59 in HDescriptionECCO Manufacturing™ Standard Furnace Plenum With Cap, 20-1/2 x 20-1/2 in Fitting, 59 in Height
ECCO Manufacturing, Standard Furnace Plenum, 010579, 20-1/2 x 20-1/2in
