MOBILE FANS 20" Mobile Indoor/Outdoor Fan Portable fan is designed for heavy duty, high moisture laden ventilation, circulation, and exhaust and drying applications. Great for cooling athletic or outdoor events, warehouses, carpet drying and special events. Housing and fan blades are made of glass filled, high impact polypropylene. Housing includes front black wire guards for safety. Housing allows stacking for compact storage. Severe duty, wash-down ball bearing motor is Class F insulated for heat resistance. Easy grip handle for portability. Includes 10'L power cord. 120V. UL 507 rated for outdoor environments. C-UL recognized. 3 Year Limited Warranty. Horsepower rating based upon maximum speed/load.