This cold mist humidifier will allow you to breathe unparalleled air quality while ensuring quiet operation. It is ideal for medium-sized rooms (250 to 400 sq.ft.). Its QuietCare(TM) system makes the engine 30% quieter and maintains a high level of performance. This humidifier has 3 moisture output settings and an integrated break-resistant water tank. The wide tank opening and the dishwasher-safe water bowl are easy to fill and clean. Operates up to 24 hours on a single fill. Backed by a 3-year limited warranty.