Clean air is the happiest air, and this Coway Mighty 4-Stage Filtration Air Purifier is all about the pure air life. Named the Best Air Purifier of 2018 by Wirecutter, this 4-stage purifier system includes a True HEPA filter, pre-filter, odor filter, and bipolar ionizer to help reduce contaminants in the air. When your home's air feels particularly stuffy, 3 speeds help adjust the air output in a room-up to 361 square feet for better, fresher breathable air. Its flawless look was inspired by a minimalist design and it fits well in any room of your humble abode. Features a smart-technology eco-energy mode that shuts the purifier off after 30 minutes of undetected air pollution. Washable pre-filter saves you money and makes this an even greater environmentally conscious machine. Inhale, exhale, and enjoy the air around you with this Coway Mighty Air Purifier.