Portable Air Cooler Conditioning Fan Unit Chiller Purifier Desk Bedroom StudyPortable air cooler keeps your room ultra cool and humidifies and purifies the air simultaneously Simply add cold refrigerated water with ice for best results and maximum cooling Running time between 6 8 hours, if you room is really hot it is recommended filling with ice and cold water every 3 6 hours for best results 550ML water capacity, keeping you cooler for longer Includes high quality HEPA filter which filters and purifies the cool air Colour