ActivePure® Technology reduces up to 99% of surface and airborne contaminantsThe 3 Stage Filtration Process cleans up to 3,000 sq. ft.Pre-filter – Removes larger particles from the airCarbon - Removes chemicals and odors from the airHEPA - Removes 99.97% of particulates 0.3 micron and larger.Creates healthy, pure indoor spaces without the use of ozoneCleans the air 24 hours a day, even when your HVAC system is not onSignificantly reduces dust, pet dander and odors in the homeMODEL: F193BMeets California ozone emissions limit. Download Brochure