High Performance Purification – CADR: 170 m³/h HEPA filtration with H13 Filter Material Ionizer improves filter efficiency and helps remove airborne particles UV-C Lamp Photocatalytic Filter HEPA filter with H13 filter material, UV-C light technology, ionizer & photocatalytic filter 5-step purification with UV-C light helps reduce certain viruses and bacteria. * HEPA filter removes PM 2.5 particles, pollutants, dust, smoke, and allergens Filter replacement light alerts when the filter should be checked and if necessary, replaced to always guarantee an optimal filter performance