VAVA Purifier with 3-in-1 True HEPA Home Air Filter System with UV-C Light (Removes PM 2.5, Allergens, Dust, Pollen, Pet Dander, Odor, and Virus) Advanced 3-Stage Filtration Air Purifier: Pre-filter and Activated Carbon filter remove large dust particles, pet dander, and household odor; True HEPA filter eliminates 99.97% of pollutants 0.3 m and larger, like pollen and dust mites, and filters air pollution of PM 2.5 Germ Disinfectant: Safe UV-C light technology kills airborne bacteria and viruses to keep your home or room allergen-free; tested and certified for ozone safety Silent Operation: Sleep mode is quieter than a whisper and turns off all indicator lights; 3 Speed Settings (low, Med, high) provide options for various conditions Purify Your Home: This air purifier is ideal for medium and large rooms up to 270 ft / 25 m; CADR Rated 120+ CFM (AHAM standard) On average, the filter lasts 6 months, and is available for purchase (Search by: VA-EE004 air purifier); the air filter may need to be replaced sooner or later depending on the air quality in your area