Furnace Plenums — Standard — With Cap 54 PlenumStandard Furnace Plenum With Cap, 20 x 19-3/4 in, 54 in HDescriptionECCO Manufacturing™ Standard Furnace Plenum With Cap, 20 x 19-3/4 in Fitting, 54 in Height
ECCO Manufacturing, Standard Furnace Plenum, 010558, 20 x 19-3/4in, 54in H