Standard Furnace Plenum With CapStandard Furnace Plenum With Cap, 17-3/4 x 18-3/4 in, 59 in HDescriptionECCO Manufacturing™ Standard Furnace Plenum With Cap, 17-3/4 x 18-3/4 in Fitting, 59 in Height
ECCO Manufacturing, Standard Furnace Plenum, 010567, 17-3/4 x 18-3/4in
