The inlet filters of the MicroElite System cleans the air that the user uses during treatment, which therefore get dirty over time and may become blocked. As soon as the MicroElite Inlet Filters no longer look white and clean, they should be changed (usually after 3 months).
If you have smokers in your home, the filters may need to be changed for frequently.
WARNING: The MicroElite Inlet Filters must NOT be cleaned in any liquids and should be replaced if dirty. Do not operatie the unit without the filter or with a clogges filter, Operating the unit with a dirty filter can impair proper operation and cause damage that is not covered by the warranty.