Large End Universal Boot With DamperLarge End Universal Boot With Damper, 4 in L Register Opening, 12 in W Register Opening, 9-1/2 in HDescriptionECCO Manufacturing™ Large End Universal Boot With Damper, Compatible Duct Diameter: 7 in, 4 in Register Opening Length, 12 in Register Opening Width, Galvanized, 9-1/2 in Height
ECCO Manufacturing, Large End Universal Boot, P5 Series, 097402, 9-1/2in H
