Roger little Dual Filter

The Dual Filter ™ is a combination of HEPA and activated carbon filters.
The filter material is made in Germany.
The HEPA filter removes harmful particles such as fine dust, pollen, viruses, and bacteria from the air.
The activated carbon filter absorbs gases such as bad odors, tobacco smoke, formaldehyde, toluene, and VOCs (Volatile Organic Compounds).
The Dual Filter ™ should be replaced every 8 to 12 months.