EFFICIENT | 3 Speed Setting - Quiet and EfficientPOWERFUL | High Velocity Output with Vibration Free PerformanceSMART DESIGN | 180° Adjustable Vertical Tilt - Controls on Back on UnitMOUNTABLE | Fan can also be Mounted for Optimized AirflowSMART DESIGN | 180° Adjustable Vertical Tilt - Controls on Back on Unit