The "2-in-1" Venta® Airwasher humidifies and purifies indoor air simultaneously. There are no filters that need to be replaced; water serves as the filter. This model uses very low power consumption, operating at 8 watts of energy or less. The LW15 is intended for a room up to 200 square feet, making it ideal for bedrooms, offices, smaller living rooms, and dens. It operates using the cold evaporation method, widely recognized as the most effective way to humidify, without creating excessive dampness, and avoiding the emission of white dust, ions, or ozones. The Venta Airwasher can help provide relief from throat, nasal and skin dryness. It can also help reduce static electricity, moisturize house plants, and preserve musical instruments and wood furniture. Auto shut-off. Reservoir of 1.4 gallons. Dimensions 10.2" x 11" x 12.2". Two-year warranty. ETL approved. Imported.