Tubeaxial Fan Drive Type Belt Blade Dia 18 In. 4039 CFM @ 0.000-In. SP 3841 CFM @ 0.125-In. SP 3624 CFM @ 0.250-In. SP 3112 CFM @ 0.500-In. SP 1850 CFM @ 0.750-In. SP 923 CFM @ 1.000-In. SP 26 Sones @ 0.250-In. SP @ 5 Ft. Motor HP 3/4 Max BHP 0.72 Fan RPM 1719 Motor Enclosure Hazardous Location Totally Enclosed Fan Cooled 1 Phase Voltage 115/230 Max Motor Height 9 In. Shaft Dia 7/8 In. Number of Blades 6 Full Load Amps 11.4/5.7 Motor Type Capacitor Start