Devanti Tower Evaporative Air Cooler Conditioner Portable Cool Fan Humidifier 6LKeeping cool this summer will be a breeze with the new Devanti Evaporative Air Cooler. The device acts as an air cooler, fan, air purifier and humidifier all in one for complete comfort in the home. The space saving ultra slim design suits any room in the home. To use it as an air cooler, simply prepare the included ice crystals according to instructions, leave it in the 6L water tank and turn on the evaporative cooler to get super cool breezes