Square to Round AdapterSquare to Round Adapter, 20 x 20 to 18 inDescriptionECCO Manufacturing™ Square to Round Adapter, 20 x 20 to 18 in Fitting, Square to Round Shape, Galvanized, 18 in Diameter, 20-1/4 in Length, 20-1/4 in Width, 26 ga Gauge
ECCO Manufacturing, Square to Round Adapter, 563139, 20 x 20 to 18in
