That one specifically says it ionizes without creating ozone. That's a good thing, because there is no safe/acceptable level of ozone in indoor air: https://w

That one specifically says it ionizes without creating ozone. That's a good thing, because there is no safe/acceptable level of ozone in indoor air: https://www.epa.gov/indoor-air-quality-iaq/ozone-generators-are-sold-air-cleaners https://www.epa.gov/indoor-air-quality-iaq/ozone-generators-... Ionizing can be a great way to remove fine particulate from the air, but it works best when there are charged surfaces for the charged particles to plate-out on. Simply ionizing them in the ductwork means the particles stick to whatever's handy, which may be the ducts, may be the furniture, may be your lungs. Which is to say, this product uses a lot of the right vocabulary, to describe precisely the wrong engineering.