With the KFI 3310 cartridge filter, you can vacuum wet and dry without annoying interruptions for filter changes. The cartridge filter can be easily inserted and removed by twisting it – without any additional locking part. Specially developed for Kärcher Home & Garden wet/dry vacuum cleaners WD 1 Compact Battery, WD 2 Plus, WD 2-18, WD 2, WD 3, WD 3-18, WD 3 Battery, KWD 1-3, MV 2 and MV 3, and for Kärcher carpet cleaners SE 4, SE 4001 and SE 4002. Special featuresSuitable for Kärcher wet/dry vacuum cleaners WD 1 Compact Battery, WD 2 Plus, WD 2-18, WD 2, WD 3, WD 3-18, WD 3 Battery, KWD 1-3, MV 2, MV 3Suitable for Kärcher carpet cleaners SE 4, SE 4001, SE 4002Cartridge filterWet and dry vacuuming without extra filter replacement.Easy filter installation and removal by twisting without additional locking part. Technical dataQuantity (pieces) 1Colour brownWeight (kg) 0.3Weight incl. packaging (kg) 0.2Dimensions (L × W × H) (mm) 122 x 122 x 115