Searching for a small but still powerful humidifier? Check out Aquila, the little BIG humidifier. Small in its dimensions, it comes with all the comforts of the large ultrasonics. Aquila is perfect for bedrooms, offices and smaller rooms up to 250 square feet - including a demineralization Cartridge to avoid white dust. and the patented Ionic Silver Cube TM, inhibiting the growth of mold bacteria. Beautifully illuminated. Rated power: 25 Watt Output max. 1 gallon per day, tank capacity: 0.8 gallon, dimensions: 9.2''W x 9.7''H x 4.7''D, automatic shut-off, weight : 2.4 lbs., room size: up to 250 sq. ft.