Indoor air is dirty. We make it clean. The HEPA Air Purifier from Lasko provides TotalProtect Filtration™ to protect your home from The Invisible 8 -- the top airborne irritants common in most home environments. True HEPA filtration captures 99.97% of airborne irritants, including allergens, smoke, odors, VOCs, pet dander, pollen, dust, and mold spores*. This high-performance air purifier features simple electronic controls, 3 speeds, and an 8-hour timer. Its 115 CADR rating means that this purifier is capable of cleaning dirty indoor air quickly and efficiently. Plus, the auto check filter reminder helps you know the best time to change your filters. Comes with a filter pack that lasts up to 1 year and trusted safety fuse technology. Ideal for rooms up to 170 square feet. * Tested with Staph Epidermidisa, Escherichia Coli, Aspergillus Niger, and MS-2