Honeywell warm mist humidifier helps you breathe better and sleep more comfortably. Filter free – no expensive filters to replace. Fragrance dispenser for added relief when used with liquid inhalants. Power switch with 2 moisture output settings. Auto shut off when water drops below minimum level. Suitable for room size 25m. 12 hour timer. Warm mist humidification. 4 L water tank. Visible water level. 2 speed settings. Size H32, W31.5, D19.5cm. Manufacturers 3 year guarantee.