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.