6 stage filtration with HEPA-based composite filtration, Active Carbon and pre-filter captures 99.7% of ultra-fine particles as small as 0.3 microns, so you are safe from PM2.5, bacteria, pollen, dust, pet dander, other pollutants and aerosols.
Pre-filter – Captures the largest particles, enhances the durability and performance of the other filters.
99.97% True HEPA Filter – Removes airborne pollutant particles such as dust mites, smoke and other airborne particles which are so small as 0.3 microns