Amazon.com: MOPEI 10 Pack Paper Filter Bag for Karcher WD2 Wet Dry Vacuum Cleaner, Replacing Part#6.904-322 (10) : Home & Kitchen
Amazon.com: 15 Piece Vacuum Filter Dust Collection Bag Bin Bag 6.904-322.0 Vacuum Bag, Compatible For Karcher A2004 WD2 Vacuum Cleaner Parts : Home & Kitchen
Amazon.com: 8pcs Textile Filter Dust Bag Filter Elements Compatible For Karcher MV1 WD1 WD2 WD3 SE4001 WD NT Series Vacuum Cleaner Parts Replacement : Home & Kitchen