Miele AirClean KK FilterBags filter out more than 99.9% of all dust particles. They have a yellow collar with bag closureflap , ensuring all dust remains inside the vacuum. Original Miele FilterBags and Miele HEPA AirClean filters help to form the advanced Miele AirClean System, which ensures a dust retention capacity of more than 99.99%. Counterfeit and off-brand replacement bags are less than 1% effective at particle retention compared to an original Miele FilterBag.
