Exhaust/Supply Fan Belt Drive Reversible Propeller Dia 30 In. Exhaust/Supply CFM @ 0.000-In. SP 8989 @ 0.125-In. SP 7614 Max Inlet Temp 104 Deg. F Voltage 115/208-230 60 Hz 1 Phase Operating Amps 7.6/3.7-3.8 Fan RPM 825 Motor HP 1/2 Height 34 In. Width 34 In. Max Depth 21 1/2 In. Mounting Position Horizontal or Vertical Propeller Material Cast Aluminum Number of Blades 6 Includes Reversing Switch