Karcher T 191 Commercial Canister Vacuum Bags 6.904-218 – Vacuum Direct
Karcher 6.904-367.0 Flat Pleated Filter Dust Class M - - Amazon.com
Original Karcher 6.904-305 Fleece Filter Bags for CV 30/1 CV 38/1 - Pack of 10 | eBay
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 ECO, NT611 ECO Vacuum Cleaners - Walmart.com