Discharge Cap For Fan Diameter 48 in For Fan Type Tubeaxial Mounting Hole Diameter 3/4 in Material Galvanized Steel Body Diameter 56 1/4 in Bolt Circle Diameter 48 1/2 in Finish Unfinished For Use With 3C416 Includes Clam Shell Damper Maximum Inlet Air Temperature 200 Degrees F Metal Material Thickness 5/8 in Overall Height 50 3/8 in Overall Length 56 1/4 in Overall Width 56 1/4 in Product Type Discharge Cap