The Miele AirClean filter system, consisting of the original Miele HyClean Pure FilterBag and one of the original Miele exhaust filters, ensures maximum hygiene. The amount of fine dust in the room air is significantly reduced. Relax and breathe, as thorough cleaning reduces the time and effort you have to spend. The interaction of all components guarantees a filtration of more than 99.99% of fine dust^*.