Duct ReducerDuct Reducer, 21 x 5 to 13 x 5 in, 12 in L, Steel, GalvanizedDescriptionECCO Manufacturing™ Duct Reducer, 21 x 5 to 13 x 5 in Fitting, Steel, Galvanized, 12 in Length
ECCO Manufacturing, Duct Reducer, 033810, 21 x 5 to 13 x 5in, 12in L
