Large End Tap-In Duct CollarLarge End Tap-In Duct Collar, 18 in, 4-1/2 in L, GalvanizedDescriptionECCO Manufacturing™ Large End Tap-In Duct Collar, 18 in Fitting, Galvanized, 17-7/8 in Diameter, 4-1/2 in Length
ECCO Manufacturing, Large End Tap-In Duct Collar, 134181, 18in, 4-1/2in L
