The air cleaning filter is a HEPA filter and is made of a fiber structure. It has a little less ventilation, but it is effective in removing fine dust by turning it with an artificial air volume. There are three types of HEPA filters: H11, H12, and H13.
It is a filter that blocks 95% of ultra-fine dust and blocks tire dust, pollen, yellow dust, smoke, and harmful bacteria, as well as deodorizing function.
Particle filter that can create a pleasant environment by killing the concentration of gaseous contaminants that cause dust, dust, pollen, and odors to a minimum (filter that filters small to large particles)