Universal Boot With CleatsUniversal Boot With Cleats, 3-1/4 in L Register Opening, 10 in W Register OpeningDescriptionECCO Manufacturing™ Universal Boot With Cleats, Compatible Duct Diameter: 6 in, 3-1/4 in Register Opening Length, 10 in Register Opening Width
ECCO Manufacturing, Universal Boot, F5 Series, 096311, 6in
