3-IN-1 Cools humidifies and cleans dust particles from the air for healthier breathing You don't need more to have several devices like air conditioner and humidifier NON-ORGANIC MATERIALS - NO BACTERIAS Eva Breeze the new evaporative material that we use carries no organic materials so it won't harbor disease-causing bacteria no toxic Freon-like liquids and uses fully biodegradable evaporative pads FOR PERSONAL USE - Cools the area in front of the device (45 sq ft ) approximately the size of a desk couch or bed LEAKAGE-PROOF SYSTEM and Intuitive and easy to understand user control pad ENLARGED WATER TANK increasing the working time up to 9 hours