Traps Allergens: HEPA Filter captures 99.97% of dust and allergens as small as .3 microns such as household dust, pet dander, mold spores and plant pollens.Reduces Odors: Charcoal filter reduces common odors from pets, smoking and cooking.Fights Germs: UV-C light helps reduce airborne bacteria, viruses, mold spores* and works with Titanium Dioxide to reduce volatile organic compounds.Energy Star Certified: Filters and circulates room air over 4x per hour. The higher the CADR the faster the unit filters the air. CADR Dust (118), Pollen (125) and Smoke (99).Simple Controls: Features top-mounted manual controls with 3 speeds and UV-C.Quiet Operation - The lowest setting can be used as gentle white noise at night for a quiet, restful sleepFilter Replacement Reminder: Only one single filter needs to be replaced every 6-8 months depending on the usage. Replacement filter is filter B (model FLT4825).Portable Design: Stands 22 inches tall and features a built-in carry handle for easy portability