Big Ass Fans introduces AirGo, an eight-diameter, mobile vertical fan equipped with four eight-inch Performa rubber-tread wheels. The fan features heavy-duty steel tubing, a rigid screen and a high-efficiency motor and gearbox, according to the company. Adjustable speed controls and 360-degree angle adjustments allow AirGo to provide non-disruptive, large volumes of air movement in any direction. It also has interlocking safety features, OSHA-compliant caging and yellow powder costing for visibility and corrosion resistance. AirGo plugs into any 115-volt, 20-amp outlet.