This is the air purifier with a built-in humidifier that provides a clean and comfortable environment. It has a permanent pre-filter that traps dust, dirt, and hair, while a replaceable pollen filter captures 97% of fine particles. The unit also employs a rotating disk that picks up water from an integrated reservoir and releases it into the air without generating mist. The air purifying and humidifying functions can be run simultaneously with a manual dial or independently with a smartphone via a free app. With an auto shut off, child safety lock, and six fan speeds. Most components are dishwasher safe. Its 1.2 gallon tank has a maximum 2.2 gallon output every 24 hours. For use in rooms up to 540' sq. AC plug. 18 1/4" H x 11" W x 11" D. (12 lbs.)