Amazon.com: Vacuum Cleaner Parts Compatible For Karcher MV4 MV5 MV6 WD4 WD5 WD6 Compatible For Karcher WD4000 To WD5999 Dust Bags And Filter (Color : 2 and 6) : Home & Kitchen
Amazon.com: Kärcher - Reusable Flat Pleated Filter for Karcher Wet Dry Vacuum - For Karcher WD 4, WD 5/P and WD 6 P S Wet Dry Vacuum Cleaners : Home & Kitchen
Amazon.com: Karcher WD 4 Multi-Purpose 5.3 Gallon Wet-Dry Vacuum Cleaner with Attachments : Home & Kitchen
Amazon.com: Vacuum Cleaner Parts,Dust Bags And Filters.Compatible For Karcher MV4 MV5 MV6 WD4 WD5 WD6 WD4000 To WD5999 (Color : 1 Pcs) : Home & Kitchen
Amazon.com: HQRP Dry Flat Filter compatible with Karcher 6.904-367.0, 6.907-012.0 fits KM 70/30 C Bp, NT 20/1 Ap, NT 35/1 Ap, NT 35/1 Tact, NT 45/1 Tact, NT 361 ECO, NT 561