Q Standard Commercial Cooler Fan - 24in., 7,700 CFM, 1/3 HP, Model# 10282 High-temperature resettable thermal shutoff and durable bearings allow operation in temperatures to 130deg F 2-speed rotary switch controls air velocity Aerodynamically balanced fan blades allow for quiet operation Blades are made of non-corroding aluminum for longer life Fan has a 90deg tilt and double-locking safety guard, so fan can be angled to where air is needed