Tubeaxial Companion Flange, For Fan Diameter 42 in, For Fan Type Tubeaxial, Mounting Hole Diameter 5/8 in, Material Steel, Body Diameter 44 1/4 in, Bolt Circle Diameter 44 1/8 in, For Use With 3C415, Includes Predrilled Mounting Holes, Inside Diameter 42 1/2 in, Outside Diameter 44 1/4 in, Overall Width 1 1/2 in, Product Type Companion Flange, 1 Pair