Philips: India’s Leading Brand in Air Purifiers(Source: Euromonitor International Limited; Consumer Appliances 2020ED) Advanced 3-in-1 Filter SystemPhilips air purifiers come equipped with a highly efficient 3-in-1 filter that combines a Pre-filter, NanoProtect HEPA filter, and Activated Carbon filter to deliver superior air quality. Pre-FilterThis easy-to-clean Pre-filter captures larger particles such as hair and dust, helping to extend the lifespan of the HEPA filter by reducing its load. NanoProtect HEPA FilterEngineered with advanced synthetic fibers and electrostatic charge, the NanoProtect HEPA filter efficiently removes particles as small as 0.003 microns with 99.97% efficiency. It effectively eliminates a wide range of pollutants, including viruses, ultrafine dust, mold spores, dust mite allergens, bacteria, smoke particles, PM2.5 and PM10 pollutants, pollen, and pet dander. Activated Carbon FilterDesigned with activated carbon granules that provide an absorption area equivalent to 43 football fields, this filter captures odors and potentially harmful gases, including volatile organic compounds (VOCs). It effectively removes various unpleasant smells, such as those from cooking, garbage, sewage, pets, as well as gases like ozone, NO2, and other contaminants. Filter LifespanThe filter is designed to last up to 25,000 hours*, providing long-lasting air purification for your home.(*Actual lifespan may vary based on usage and air quality.) Compatible ModelsThis filter system is compatible with Philips air purifier models AC3055 and AC3059.