The fleece filter bags are specially adapted to the Kärcher wet/dry vacuum cleaners WD 2 Plus, WD 3, WD 3 Battery and KWD 1 to KWD 3 as well as the Kärcher SE 4001 and SE 4002 vacuum cleaners. They score with their extremely tear-resistant material, their optimal suction power and the high level of dust retention. Best suited for heavy use, for example when sucking in coarse and damp dirt. A total of 4 bags are included in the scope of delivery.