Medical-grade HEPA to remove 99.97-Percent of airborne particles (pollen, dust, mold, bacteria, viruses, pet dander) down to 0.3 microns in size. The unit also features an 18 pound activated carbon filter that uses a specially-blended activated carbon mix to remove VOCs (volatile organic compounds) which are the most common airborne chemicals in the home. This unit (without UV) is ARB certified for California.
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18-Pound carbon filter