Filters out ultrafine particles >20 nanometers**
**In combination with the multi-care filter, the HEPA filter filters out ultrafine particles >20 nanometers including bacteria, dust, allergens and some viruses. According to publications of World Health Organization, the avian influenza, human influenza viruses and Legionella bacterium are larger than 20 nanometers.
Eliminates germs and mould with antibacterial coating
Filters out germs and mould as well as ultrafine particles >20 nanometers. Prevents bacteria from proliferation. HEPA filter can also filter off those particles left behind by multi-care filter.