Hunter H-HF500-VP Replacement Air Purifier Filter Value Pack for Hunter HPF500 Series Air Purifier Fan

Silver nanoparticles in the EcoSilver pre-filter prevent the growth of microorganisms on the filter, including bacteria and viruses, and removes harmful VOCs (volatile organic compounds). | Coconut carbon in the pre-filter neutralizes odors, smoke, pollutants, and allergens. | The True HEPA filter removes up to 99.97% of airborne particles as small as 0.3 microns in size including smoke, dust, pollen, pet hair and dander, mold spores and dust mites. | Photocatalyst filter attached to the backside of the HEPA filter eliminates toxic VOCs in the air caused by household cleaners and products. | 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. Package contains two (2) HEPA filters and four (4) pre-filters.