Vornado Evap40 4-Gallon Evaporative Humidifier by Vornado

OPTIMUM PERFORMANCE - Deep pitched blades pull large volumes of dry air through two humidifying filters, and then circulate the humidified air throughout the room using Vornado's signature Vortex Action, providing complete and uniform humidification in spaces up to 1, 000 sq. ft. LARGE CAPACITY - The 4 gallon capacity provides up to 4 gallons of water output in 24 hours when operated continuously on high, allowing for long, uninterrupted operation and fewer refills. SIMPLE CONTROLS - Control panel allows you to select your fan speed (low/750 RPM, medium/1150 RPM, or high/1600 RPM) and your desired humidity level using the humidistat dial. LOW MAINTENANCE - Two spill proof and leak free removable tanks are simple to clean and easy to refill. INTELLIGENT HUMIDIFICATION - Evap40 senses how much humidity and circulation is needed to maintain your ideal environment and makes adjustments automatically. Made in the USA of U.S. and imported parts.