Air purifier filter Efficiency: 99.95% Filter type: HEPA/Carbon Brand compatibility: Leitz 1 pc(s) Black All-in-one filter system combines an H13 HEPA filter with activated carbon prefilter. This combination filter has been engineered to capture ultrafine airborne particles including bacteria, viruses, dust, allergens, pet dander, volatile organic compounds (VOCs), and odorous gases.Features- The Leitz TruSens combination filter has been engineered to collect ultrafine airborne particles including bacteria, viruses, dust, allergens, pet dander, volatile organic compounds (VOCs) and odorous gases- 360 degree H13 HEPA filtration draws in air from all directions, collecting pollutants from around the room that may affect allergies and other symptoms- Carbon prefilter captures odours and certain gases, and offers the first level of defence against larger particles like dust and pet hair- H13 HEPA filter captures a minimum of 99.95% of ultrafine particles between 0.1 and 0.2 micron (MPPS)