Extension Universal BootExtension Universal Boot, 4 in L Register Opening, 12 in W Register Opening, 9-1/2 in H, GalvanizedDescriptionECCO Manufacturing™ Extension Universal Boot, Compatible Duct Diameter: 6 in, 4 in Register Opening Length, 12 in Register Opening Width, Galvanized, 9-1/2 in Height
ECCO Manufacturing, Extension Universal Boot, P5 Series, 096412, 9-1/2in H
