Enjoy a healthy home all year round. Cut the clutter with an air purifier, heater, fan and humidifier all in one. Multiple functions can be used simultaneously providing comfort no matter what the weather brings. The True HEPA filter captures 99.97 percent of particles, reducing dust, smoke, pollen, pet dander, allergens and mold spores. The Four Seasons has a powerful variable setting ceramic heater, 3-setting humidifier and powerful airflow fan that cools an entire room instantly. Youll be able to save money by adding heat exactly where you need it, create a comfortable non-drying sleeping environment and save your skin from the damaging effects of dry heat. All of this with just one amazing multi-use product that also operates quietly & efficiently.