Miele FilterBags™ and Miele genuine exhaust filters form the advanced 12-stage Miele AirClean System™. The different FilterBag™ types ensure a perfect match between FilterBags™ and vacuum cleaners – a holistic approach only Miele can offer. Each box of genuine Miele FilterBags™ contains an AirClean Filter and a pre-motor filter and is therefore a peace-of-mind package ensuring best performance of a Miele vacuum cleaner. All Miele FilterBags™ feature the color-coded system to differentiate clearly between the various FilterBag™ types. This makes it easier for consumers to identify the right bag type.