Home Garden » Indoor Air Quality Air Purifiers Ad slot A336×280 / 300×250 FAQs about Home Garden » Indoor Air Quality » Air Purifiers Are ozone-generating air purifiers safe to use in homes? Do Honeywell purifiers use True HEPA filters? Do ionizing air purifiers remove pet dander? Do Oreck air purifiers dry the air? What does HEPA mean and why does it matter? Do HEPA filters remove viruses? What is a True HEPA filter? What is CADR and why does it matter?