Holmes HEPA Mini Tower Air Purifier - Blue (HAP9412C) Features: Carbon Filter, Filter Change Indicator, Air Ionizer, Dust Collection Room Size: 100-300 sq. ft. Recommended Use: Home Allergens Captured: Tobacco Smoke, Mold Spores, Pet Dander, Pollen, Household Dust Filter Type: HEPA Filter Life: 3 Months of average Household Use Number of Settings: 3 Wattage Required: 43 Watts Certifications: CADR Certified Rating