Square to Round AdapterSquare to Round Adapter, 18 x 18 to 16 inDescriptionECCO Manufacturing™ Square to Round Adapter, 18 x 18 to 16 in Fitting, Square to Round Shape, Galvanized, 16 in Diameter, 18-1/4 in Length, 18-1/4 in Width, 26 ga Gauge
ECCO Manufacturing, Square to Round Adapter, 563119, 18 x 18 to 16in
