... Motor 2.Pre-filter+HEPA+Active carbon+N-ion 3.Air purifier ozone 4.Manufacturer;OEM Detalis:Model Number AP001-01 ... patent HEPA efficient silent purifying filter, filtration over 99.97%.Clean ion group release high concentrations of mould, allergen airborne ... , environmental protection, elegant, durability.German EBM motor ultra-quiet, low energy consumption, air volume is the same motor 4-6 times ...