Square to Round Adapter With 1 in FlangeSquare to Round Adapter With 1 in Flange, 6 x 6 to 5 inDescriptionECCO Manufacturing™ Square to Round Adapter With 1 in Flange, 6 x 6 to 5 in Fitting, Square to Round Shape, Galvanized, 6 in Diameter, 6-1/4 in Length, 5-1/4 in Width, 26 ga Gauge
ECCO Manufacturing, Square to Round Adapter, 563008, 6 x 6 to 5in