Simple Deluxe 20 High Velocity Metal Stand Fan came with Simple Deluxe Newest Technology of Dual Ball Bearing while most of the other competitors on the market are using Sleeve Bearing. This fan is ideal for home, greenhouses, garages, workshops and other areas that may need a heavy duty portable stand fan. The height of this Pedestal Fan can fully adjustable from 47.6’’ to 55.1’’ to suit your needs. In addition, the heavy fan base can provide high stability during operation and prevent dangerous situations caused by tipping over. Different speeds make our pedestal fan ideal for different places. There are low, medium and high wind speed for you to choose according to different situations and temperature. Different wind speeds make our pedestal fan ideal for many places like office, home and so on.