The Honeywell Ultra Plus Cool Mist Humidifier (HUL565) provides a soothing, cool mist. During cold and flu season or when the air is simply just dry, you can rely on this humidifier for your entire family. It has a compact footprint to fit on desktops or nightstands, but large capacity and is ideal for large-sized rooms up to 500 sq. ft.. Honeywell humidifiers for bedroom and beyond add necessary moisture to the air, and help ensure proper humidity levels in your home. Indoor humidity levels between 40-60% can help relieve cough and congestion, keep throat and nasal passages hydrated, temporarily relieve dry air discomfort, protect furniture, reduce static electricity and even keep plants healthier. This Honeywell humidifier is a cool mist humidifier, and produces a fine, visible cool mist with a dual direction mist outlet. It has an ultra-quiet operation and an adjustable digital humidistat with 4 preset comfort levels to let you customize the moisture level in the air, making it a great choice for your family, even as a kids or baby humidifier. Plus, it has an essential oil tray, large tank opening that makes it easy to fill and clean, no filters to replace and it automatically shuts off when empty. It features an up to 40 hour run time.