Cranes 48 hour whisper quiet filter-free cool mist humidifier is perfect relief for the effects of dryness and congestion, helping you and your family to breathe easy and sleep through the night peacefully. Cranes stylish tower top fill humidifier, with metal stand, is easy to fill and easy to clean. The Germicidal UV-A light helps reduce germs in the tank emitting a cleaner mist in the air. Includes an aromatherapy tray at the base where a few drops of essential oil can be added to a absorbent pad, providing a relaxing atmosphere in your home. The 2 gallon water tank runs up to 48 hours, covers a 500 sq. ft large room and a safety auto shut off feature when water runs low. Programmable setting and humidistat for your desired humidity level from 40% to 80%.