Foam Filter For Karcher Nt 48/1 Te, Wd 2.xxx, Wd2.200, Wd2.500 For Wet Vacuuming And Dry Vacuuming Absolute Spare Part - Vacuum Cleaner Parts - AliExpress
KARCHER WD2 12L Wet & Dry Vacuum Cleaner 1000W w/ Free 3 PCS Paper Filter Bag
How to clean the filter - Karcher WD2 Multipurpose Vacuum Cleaner (3462542) - YouTube