The Huilinsen Rotary Pro Fan is a versatile tool for providing fresh air anywhere, with three-speed adjustments that produce up to 304 CFM of airflow, providing comfortable ventilation, cooling and drying for a variety of environments in garages, basements, workshops, indoor cycling training, gyms, stores, kitchens, apartments and bedrooms. Perfect for any workplace, the rotary professional fan is also equipped with two 220-volt grounded outlets and a portable carrying handle for your utmost convenience!