This Dust FreeĀ® Active Air purifier’s unique technologies target air quality problems at the source using environmentally-friendly oxidizers and a negative ionization system to safely and effectively purify the air in your home. Dust FreeĀ® has tested its PCO and ionization against SARS-COV2 (COVID-19), and test results have shown it to be 99.7% effective in the reduction of the virus within 20 MINUTES. It is also effective at reducing dust, dander, VOC’s, germs, odors and other allergens from the indoor air.