Discharge Cap For Fan Diameter 36 in For Fan Type Tubeaxial Mounting Hole Diameter 1/2 in Material Galvanized Steel Body Diameter 44 1/4 in Bolt Circle Diameter 36 1/2 in Finish Unfinished For Use With 3C414 Includes Clam Shell Damper Maximum Inlet Air Temperature 200 Degrees F Metal Material Thickness 1/2 in Overall Height 38 3/8 in Overall Length 44 1/4 in Overall Width 44 1/4 in Product Type Discharge Cap