Exhaust/Supply Fan Belt Drive Reversible With Drive Package Propeller Dia 36 In Exhaust/Supply CFM @ 0.000-In SP 17 519 @ 0.125-In SP 16 359 @ 0.250-In. SP 14 955 Max Inlet Temp 104 Deg F Voltage 115/230 60 Hz 1 Phase Operating Amps 22.4/11.2 Fan RPM 1046 Motor HP 2 Height 40 In Width 40 In Max Depth 22 In Mounting Position Horizontal or Vertical Propeller Material Cast Aluminum Number of Blades 6 Includes Drive Package and Reversing Switch