Honeywell HPA100 True HEPA Allergen Remover 155 sq. ft. HEPA AIR PURIFIER FROM HONEYWELL: Recommended for medium rooms (155 sq. ft.), this air purifier helps capture up to 99.97% of airborne particles as small as 0.3 micron, like pet dander, pollen, dust, mold & smoke. Also helps capture certain germs & odors. REDUCE ALLERGENS: Do you or your kids have allergies? Do you have pets, or live with a smoker? Using an air purifier that helps remove allergens from the air let's you breathe easy, and enjoy sleeping & relaxing more comfortably in your home. Note-air purifier is starting to make noise and the air output is less, filters may be dirty. High amounts of contaminates can block the pores in the filter and stop the air from moving through it. Replace the filters FILTER AND CIRCULATE AIR 5 TIMES AN HOUR: Honeywell Air Purifiers filter and circulate air in the stated room size up to 5 times an hour, so you can relax and breathe easy, knowing the air in your home is fresher, cleaner, and contains fewer allergens. HONEYWELL AIR PURIFIERS: Use Certified HEPA filters in air purifier to remove allergens, dust & other particles from your air. If you have allergies or pets, air purifiers do more than freshen air, helping remove airborne particles & improve air quality. HONEYWELL QUALITY: Improve your air quality with Honeywell air cleaners, odor reducers, and air purifiers. Compare to similar products from Germ Guardian, Dyson, Holmes, Levoit, Molekule, Blueair, Winix, Coway, Oreck, AirMega, RabbitAir, and Rowenta.