Karcher Filter Bag Fleece PVC Set Packaged 4X for Mv4, Mv5 & Mv6 Vacuum Cleaners, Standard(KAR28630060, White) The extremely tear-resistant fleece filter bags provide a high dust retention level and enable comparison with paper filter bags significantly longer suction inserts. Suitable non-woven filter bags for Kärcher multi-purpose vacuum cleaner of the model series MV 4 to 6 of the Home & Garden section is.