For use with the TruSens Z-1000 Air Purifier, 360 degree filtration, carbon prefilter captures odours and certain gases, HEPA Type filter removes pollutants as small as 0.3 microns, truSens combination filter has been engineered to collect microscopic particles allergens and volatile organic components (VOCs) , and odorous gases. The filter is at the core of purifying your air and replacing it is essential for optimal air purifier performance. This 2-in-1 filter combines a carbon prefilter for capturing large particles like hair and dust with a HEPA type filter for trapping small particles. The TruSens combination filter has been engineered to collect microscopic particles, allergens and volatile organic components (VOCs) , and odorous gases. 360 degree filtration draws in air from all directions, collecting pollutants from around the room that may affect allergy and symptoms. Carbon prefilter captures odours and certain gases, and offers the first level of defence against dust and