Hurricane Wall Mount Fan - 20 Inch | Pro Series | High Velocity | Heavy Duty Metal Wall Mount Fan for Industrial, Commercial, Residential, and Greenhouse Use - ETL Listed, Black Hurricane Pro 20 in High Velocity Metal Wall Mount Fan is a great space saver This fan is ideal for home, greenhouses, garages, workshops and other areas that may need a heavy duty wall fan It can be easily mounted with the included heavy duty wall bracket and hardware Product dimensions-Length-21 inch. Height-26 inch. Width-10 inch The fan blades are made of aluminum. Guard Material-Steel