Lasko"s Pure Platinum HEPA-type Air Purifier features three stage filtration (carbon filter, HEPA-type filter and TiO2 Filter with Long-Life UV light). The carbon filter removes smoke, cooking and household odors, captures dust, pet hair, and other large particles. The HEPA-Type filter removes 99% of airborne irritants (as small as 0.3 microns). The TiO2 Filter with UV Light helps eliminate mold, bacteria and viruses and removes odors and fumes from cleaners, aerosols, carpet and paint. Each unit includes 1-year filter supply and has a filter replacement reminder light. The Auto Clean Sensor feature senses the air quality and automatically cycles the appropriate cleaning power depending on conditions. Model HF5630 purifiers up to 200 ft2 , has a smoke CADR rating of 130 and Energy Star rated.