Kenekos - 2 filters compatible with Kärcher WD2, WD3, WD3 Premium, MV3, A Series, K Series, SE 4001, SE 4002, Alternative for KFI 3310 6.414-552.0 Wet and Dry Vacuum Cleaner : Amazon.com.be: Home & Kitchen
2 x CleanMonster cartridge filters for Kärcher WD2, WD3, WD3P, WD3 Premium, WD 3.200, WD 3.500 P, SE 4001, SE 4002, A2054, A2101, A2254, A2604, replacement filter compatible with Kärcher : Amazon.de: Home & Kitchen
JoyBros 2 x cartridge filters for Kärcher wd3 sv wd2 plus WD3 V-17 premium wd3p mv2 mv3 se 4001 se 4002 filter without cap 6.414-552.0 KFI 3310 3x crevice nozzle accessories : Amazon.de: Home & Kitchen