High-Visibility Industrial Fan Blade Dia 30 in Stationary Non-Oscillating 2 Speeds Voltage 115V AC 1 Phase CFM High 9375 CFM Low 8712 Air Velocity @ 20 ft 615/330 fpm Motor HP 1/2 hp Motor RPM 1075/600 Operating Amps 3.7/3.12 Fan Mounting Location IBeam Post Fan Accessory Style High Visibility Fan RPM 1075/750 Sound Level 77dBA Max Ambient Temp 104 Degrees F Hz 60 Hz Drive Type Direct Drive Outside Dia 33 in Height 33 in Width 33 in Max Depth 14-1/4 in