The Karcher Cartridge Filter WD 2/3 is a convenient solution for your wet and dry vacuuming needs. It's designed to make your cleaning routine easier by eliminating the hassle of switching filters during your cleaning tasks. This cartridge filter guarantees exceptional dust retention, ensuring that your indoor air remains clean and safe. With an easy attachment and removal process—simply twist it off—there's no need for additional locking elements. It's designed for use with a range of Karcher vacuum cleaners, making it a versatile addition to your cleaning arsenal. The filter is compatible with Karcher models WD 1 Compact Battery, WD 2, WD 3, WD 3 P, and SE 4001. The simple twist-off design makes quick and easy filter changes possible. The Karcher Cartridge Filter WD 2/3 offers excellent dust retention capabilities for a cleaner environment.