User Guide
Page 6
...cleaning the filter about once a month depending on the indicator. I checked my filter it was really dirty. In conditions where smoke, pets or air with the opening in the filter. FREQUENTLY ASKED QUESTIONS How often is completely full but my filter doesn't really look dirty. Each...surfaces of particles in the IFD™ filter. Is the HHT-215 Air Purifier considered an ozone generator? No. It cleans the air by using IFD™ technology (Intense Field Dielectric) which only generates trace amounts of the room. HHT-215_HHT-217_OM.qxd 10/20/06 5:02 PM Page 6 ...
...cleaning the filter about once a month depending on the indicator. I checked my filter it was really dirty. In conditions where smoke, pets or air with the opening in the filter. FREQUENTLY ASKED QUESTIONS How often is completely full but my filter doesn't really look dirty. Each...surfaces of particles in the IFD™ filter. Is the HHT-215 Air Purifier considered an ozone generator? No. It cleans the air by using IFD™ technology (Intense Field Dielectric) which only generates trace amounts of the room. HHT-215_HHT-217_OM.qxd 10/20/06 5:02 PM Page 6 ...