Hunter H-HF400-VP Replacement Filter Value Pack with HEPA Filter and EcoSilver Pre-Filter for HP400 Air Purifier Series

Silver nanoparticles in the Eco Silver pre-filter prevent the growth of microorganism on the filter, including bacteria and viruses. Coconut carbon in the pre-filter neutralizes odors, smoke, pollutants and allergens. | True HEPA filtration removes up to 99. 9% of airborne particles as small as 0. 3 microns in size including smoke, dust, pollen, pet hair and dander, mold spores and dust mites. | Recommended to replace HEPA filter every 6 months and pre-filter every 3 months for maximum efficiency, or more often depending on air quality & environmental factors. | Fits Hunter air purifier models HP400, HP400BLS, HP400BLB, HP400WHS, HP400WHGR. | Package contains one (1) replacement HEPA filter and two (2) pre-filters.