Big Fans introduces Yellow Jacket, the portable fan. Designed for incredible flexibility, quiet operation, and durability, it will never need to be replaced. It has a limited lifetime guarantee. It is designed to cut energy use by more than 50 percent. Multiple speeds and an easily operated locking position mechanism put the amount and direction of airflow at your control. Oversized wheels and ergonomic handle allow for superior maneuverability. It features heavy-gauge steel carriage engineered to withstand the harshest environments and powerfoil-inspired blades for maximum efficiency and airflow coverage. For more information call (877) 244-3267 or visit www.BigAssFans.com.