Here is the EPA’s explanation https://www.epa.gov/indoor-air-quality-iaq/what-are-ionizers-and-other-ozone-generating-air-cleaners https://www.epa.gov/indoor-ai

Here is the EPA’s explanation https://www.epa.gov/indoor-air-quality-iaq/what-are-ionizers-and-other-ozone-generating-air-cleaners https://www.epa.gov/indoor-air-quality-iaq/what-are-ionizers...