Description [Perfect fit] Suitable for Kärcher models WD4, WD5, WD6, KWD4, KWD5, KWD6, KNT4, MV4, MV5, MV6, WD4.000, WD4.200 to WD5.800, WD5.999, SW5.100, SE6.100, Wet4-, WD5-, WD5/P. [Device Type] Original Kärcher fleece filter bag KFI 487, specially developed for Kärcher wet/dry vacuum cleaners and Kärcher canister vacuum cleaners. [High Filter Technology] The WD5 premium filter bags are made of 2-layer microfilter paper and environmentally friendly materials, effectively capturing 99.99% of dirt and dust particles (pollen and mites). To protect the filters and ensure the cleaning performance of the Kärcher, replace them every 2 to 3 months. [Premium Quality and Easy Installation] The Kärcher KFI 487 fleece filter bag is made of durable and environmentally friendly materials, high quality and durable. It is easy to install and remove. Simply remove the used vacuum cleaner filter bag and replace it with a new one. The practical flip-top cap ensures that dust and dirt remain securely