Vornado Whole Room Air Purifier AC500

The Vornado Whole Room Air Purifier uses true HEPA filtration, one of the most effective filters available, to remove up to 99.97% of airborne allergens down to .3 micron. This purifier actively circulates and filters all the air throughout a room--without circulation, the air cleaner is only cleaning the immediate area around the unit. The AC500 uses two combination HEPA/carbon filters to trap dust, pollen, pet dander, smoke, bacteria, mold spores, dust mites and more. And the carbon pre-filter both absorbs odors and traps larger particles. When in auto mode", advanced dust sensing technology detects the level of dust in a room, fluctuating the cleaning cycle up or down, depending on the air quality. Features 4 speeds, push button electronic controls, filter replacement indicator, sleep mode and industry-leading 5-year limited warranty. Includes 2 true HEPA filters and 2 carbon pre-filters. Filters rooms up to 300 sq. ft. Imported.