This is the latest model ionic tower air purifier with ozone filter and activated carbon filter plus ultra violet light. The units compact size makes it perfect for any home or office.No messy filters to replace, simply wipe the blades clean! There are no filters to replace, no complicated settings, very easy and straightforward usage. High electrostatic plate traps dust, pollen, smoke particles as small as 1 micron circulating in the air. Provides active oxygen, removes odors and kills germs and bacteria in the air. Ozone output less than 0.05ppm, 15mg/hour. Still significant enough to clean and purify the odors in a 500sqft area. So buy this product and Save $18 Off on a Electrostatic Ionic UV and Carbon Filtered Air Purifier with Negative Ion Generator (FULL Year Warranty) for $71.98 with free shipping at Rakuten.com.