【Perfect Compatibility】Suitable for Kärcher models WD4, WD5, WD6, KWD4, KWD5, KWD6, KNT4, MV4, MV5, MV6, WD4.000, WD4.200 bis WD5.800, WD5.999, SW5.100, SE6.100, Wet4-, WD5-, WD5 / P. 【Device Type】Kärcher Original Fleece Filter Bag KFI 487, precisely developed for Kärcher wet/dry vacuum cleaner and Kärcher vacuum cleaner. 【High Filter Technology】The WD5 Premium Filter Bags are made of high-quality paper. 2-layer microfiltration and environmentally friendly materials, which can effectively filter 99.99% of dirt and dust particles (pollen and mites). To protect the filters for Kärcher's cleaning performance, change the exchange every 2 to 3 months. 【Premium Quality and Easy to Install】Kärcher Fleece Filter Bag KFI 487 is made of strong and environmentally friendly materials, high quality and durability. It can be easily assembled and removed. Simply remove the used vacuum filter bag and replace it with a new one. The practical folding cap ensures that dust and dirt are securely locked