Enjoy clean and refreshing air in your home all the seasons through. The Coway Mighty True HEPA Air Purifier (AP-1512HH) effectively removes impurities from your home' s air. It can treat rooms up to 247 square feet with reliable 4-stage filtration including a true HEPA filter. You can easily operate this air purifier with its intuitive touch controls. It' s programmed with a number of smart features including an air quality indicator, Eco-mode, and a timer. Looking out for Mother Earth and your energy bill, this purifier is ENERGY STAR rated. Reliable Filtration: This air purifier has 4-stage filtration including a pre filter, odor filter, HEPA filter, and ionizer. Easy Operation: You can easily operate this air purifier with its intuitive touch controls. Smart Features: It' s programmed with a number of smart features including an air quality indicator, Eco-Mode, and a timer. : This purifier is ENERGY STAR rated to operate for years to come.