Tubeaxial Companion Flange, For Fan Diameter 36 in, For Fan Type Tubeaxial, Mounting Hole Diameter 1/2 in, Material Steel, Body Diameter 38 1/4 in, Bolt Circle Diameter 38 1/8 in, For Use With 3C414, Includes Predrilled Mounting Holes, Inside Diameter 36 1/2 in, Outside Diameter 38 1/4 in, Overall Width 1 1/2 in, Product Type Companion Flange, 1 Pair