Square to Round AdapterSquare to Round Adapter, 12 x 12 to 6 inDescriptionECCO Manufacturing™ Square to Round Adapter, 12 x 12 to 6 in Fitting, Square to Round Shape, Galvanized, 6 in Diameter, 12-1/4 in Length, 12-1/4 in Width, 26 ga Gauge
ECCO Manufacturing, Square to Round Adapter, 563056, 12 x 12 to 6in