Exhaust/Supply Fan Belt Drive Reversible Propeller Dia 30 In. Exhaust/Supply CFM @ 0.000-In. SP 11 245 @ 0.125-In. SP 10 228 @ 0.250-In. SP 8817 Max Inlet Temp 104 Deg. F Voltage 208-230/460 60 Hz 3 Phase Operating Amps 3.2-2.9/1.4 Fan RPM 1032 Motor HP 1 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