Stop replacing those expensive filters! This Honeywell QuietCleanâ„¢ air purifier includes HEPA-Type anti-microbial filters that can be vacuumed and placed back into the unit. Filter's efficiency is rated 99% in capturing airborne particles such as smoke, dust, pollen, cat dander and mold spores. Washable pre-filter captures large particles. Operates quietly while changing the air in the room up to every 12 minutes. The electronic Filter Clean Indicator reminds you when it's time to clean the filters. For extra air freshening, there's an ionizer which can be turned on or off as desired. Purifies air in medium-size rooms up to 169 square feet. Three air-cleaning levels, electronic controls, and energy-efficient operation. You and your family will breathe easier knowing that your air is pure, and you are saving money! Purify Technology: HEPA Operates Room Size: 13' x 13' (169 sq.ft.) CADR Rating: 110 (Smoke) Speed Setting: 3 speeds Color: White with gray accents Height: 28.5" Width: 11.2" Length: 10"