The Dial PEC-A-1300-1M portable evaporative cooler with up to 1300 CFM airflow and 2-way louver control can cool an area up to 529 sq. ft. It features a 5.2 gallon water reservoir and manual controls. The unit is durable, and its casters and fold-down handle make it portable and easy to move from location to location. Fill the reservoir manually when used indoors and via garden hose attachment with float valve auto shut-off when used outdoors. Also features a high-efficiency motor and quiet fan operation.