ACTIVATED CHARCOAL FILTER includes:

• 1 st activated charcoal filter cassette F7(EU7) (supply air)

If you suffer from odor problems of supply air, we suggest you test to use activated charcoal filter instead of the ordinary F7 cassette filter. Activated charcoal filter effectively filters also odors, such as smoke in addition to dust, dirt, allergens and other impure particles. Recommended replacement time is 4-6 months.