Hunter Fan Company H-HF450-VP Replacement Value Pack for HP450UV Series Air Purifier Filter, White

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 one (1) HEPA filter and two (2) Pre-filters