DESC: Banish dry air from your home environment with the Air King 9929 cool mist humidifier. This portable evaporative unit covers areas as large as 3,200 square feet and features a convenient humidistat that lets you check atmospheric humidity and adjust settings accordingly. The Air King 9929 also comes equipped with one filter for immediate use.Digital DisplayThe Air King 9929 cool mist humidifier has a digital display and humidistat that lets you easily check your humidity so you can set it to your desired comfort level.  Automatic Comfort ControlThis humidifier has an automatic comfort control system that naturally adjusts the humidifier's output for maximum comfort.  Easy to Refill TankThe Air King 9929 humidifier has a removable clear plastic tank.  This allows you to monitor water levels at a glance.  Large Coverage AreaThe 9929 covers large areas up to 3200 square feet, making it powerful enough for entire homes!