Square to Round Adapter With 1 in FlangeSquare to Round Adapter With 1 in Flange, 12 x 12 to 10 inDescriptionECCO Manufacturing™ Square to Round Adapter With 1 in Flange, 12 x 12 to 10 in Fitting, Square to Round Shape, Galvanized, 12 in Diameter, 12-1/4 in Length, 10-1/4 in Width, 26 ga Gauge
ECCO Manufacturing, Square to Round Adapter, 563062, 12 x 12 to 10in