Exhaust/Supply Ventilator Axial Belt Drive Downblast Propeller Dia 48 In Exhaust/Supply CFM @ 0000-In SP 23 117 @ 0125-In SP 20 967 Max Ambient Temp 104 F Max Inlet Temp 104 Deg F Voltage 208-230/460 60 Hz 3 Phase Full Load Amps 9.2-8.3/4.2 Motor HP 3 Motor Type 3-Phase Height 42 1/2 In Width 90 In Mounting Position Horizontal Propeller Material Cast Aluminum Number of Blades 6 Includes Hood and Drive Package