The filter system consists of several filter stages that achieve particularly efficient cleaning of the air: The built-in HEPA filter of class H13 filters 99.95 % of pollen, bacteria and fine dust in the air. The integrated activated carbon filter also binds odours and gaseous pollutants.

Replacement of the filter cassette is always recommended if the HEPA filter is heavily contaminated (black colouring of the outer side), or after 6 months at the latest.

• 4 layers of air filter consisting of:
  • Pre-filter
  • HEPA fine filter
  • Activated carbon filter
  • Cold catalysis filter