Large End Tap-In Duct CollarLarge End Tap-In Duct Collar, 4 in, 4-1/2 in L, GalvanizedDescriptionECCO Manufacturing™ Large End Tap-In Duct Collar, 4 in Fitting, Galvanized, 4 in Diameter, 4-1/2 in Length
ECCO Manufacturing, Large End Tap-In Duct Collar, 133401, 4in, 4-1/2in L
