Kärcher KFI 3310 Filter for WD 2 Plus and WD 3

With this Kärcher filter, you can vacuum both wet and dry dirt without having to switch filters. That's useful, because you don't have to wait for the filter to dry. This cartridge filter is suitable for the Kärcher wet and dry vacuums WD 1 Compact Battery, WD 2, WD 2 Plus, WD 3, WD 3 Battery, KWD 1, and KWD 3 vacuums and the Kärcher spray extraction vacuums SE 4001 and SE 4002. You don't need extra elements to attach or remove the filter, you can easily attach and detach it.