Costway 4-in-1 Industrial Evaporative Air Cooler - 12 Gallon Water Tank with Wheels - Portable Cooling Fan for Warehouse, Garage & Outdoor Use

This multifunctional air cooler can serve as a fan, humidifier, and air purifier. It features a large 12 gallon (45L) water tank for continuous cooling up to 24 hours. Ice cubes and water can be added to the tank for cooler wind, and it has 3 wind speeds for you to adjust according to your needs. 100° oscillation angle provides broader coverage, with 3450 CFM airflow to cool up to 1,800 sq. ft.