As stated above the problem is ozone gas can cause long term health issues.
Safe ozone levels for air purifiers.
Ozone a lung irritant is produced indirectly by ion generators and some other electronic air cleaners and directly by ozone generators.
Ozone generators that are sold as air cleaners intentionally produce the gas ozone.
Safe home alternatives to ozone air purifiers ozone generators are often used for the purpose of removing strong odors in a room or removing mold and mildew.
While indirect ozone production is of concern there is even greater concern with the direct and purposeful introduction of a lung irritant into indoor air.
With air purifiers the cleaning happens inside the machine when pollutants are trapped by the filter.
The california arb board passed a law making it illegal to buy or sell ozone air purifiers in their state.
In cases of high levels of ozone exposure the risks are even greater including scarring the lungs.
Often the vendors of ozone generators make statements and distribute material that lead the public to believe that these devices are always safe and effective in controlling indoor air pollution.
Ozone gas concentrations within the cpap machine and tubing can also remain above safe levels even after the recommended waiting periods for ozone gas products that claim to clean.