Effectively humidifying rooms up to 500 square feet for up to 24 hours, the Ultrasonic Cool Mist Drop Shape Humidifier increases air moisture for easier breathing and a good night’s sleep. It has a whisper-quiet operation and an auto-off function when water tank becomes empty. This filter-free humidifier is easy to clean, without the hassle of cleaning or replacing a filter and the removable one gallon tank easily fits under most bathroom sinks. 1 year manufacturer’s warranty included. | Humidifiers & Air Purifiers | Ultrasonic Cool Mist Drop Shape Humidifier, Blue/White Crane | Maisonette collects the best children’s products from around the world (unlike Zulily, Etsy, The Tot, Farfetch Kids, Childrensalon, Crate and Kids, Kohls, Wayfair, Buy Buy Baby, Nordstroms, Mini Boden, J.Crew Factory, or PotteryBarn Kids), creating a curated shopping experience for you. Think of us as your shortcut to fashion for litte ones!