This 16 Inch Tornado (Vaneaxial) Blower is equipped with a 2 Horsepower, 230 Volt, 50/60 HZ 3 Phase Electric Motor. This blower is made for the most demanding uses including ventilation of tanks, manholes, process vessels and similar confined spaces. They can also be used for cooling or drying applications. The unit is fully assembled when shipped from the factory and is ready to use right out of the box. It comes with 25 feet of electric cable rated “Extra Hard Use” and has a weatherproof plug.