Vacuum cleaner bag compatible with: WD 2 Plus / WD 2-18, WD 2 / WD 2 Premium / KNT 2 Premium, WD 2.200 - WD 2.250, WD 2.400 M / WD 2.500M, WD 3 / WD 3-18, KWD 1 / KWD 2 / KWD 3, WD 3.200 - WD 3.800 M, SE4 / SE 4001 / SE 4002, WD 4 / KWD 4 / KNT 4, WD 5 / KWD 5, WD 6 / KWD 6, WD 4.200 - WD 5.800, SE 5.100 / SE 6.100 High performance and high durability 2-layer paper filter bags. This bag effectively filters 99.99% of dirt and dust particles without increasing dust circulation and damaging the vacuum cleaner. Organic waste bags - 100% recycled kraft paper: Bins suitable for collecting dry or wet organic waste from the home. Compostable, they can be thrown in the trash. Contains 5 paper filter bags compatible with wet and dry vacuum cleaners as well as Kärcher cleaners, compatible with models KFI357 / KFI487 / 6.959-130.0. Effectively retains dust and dirt for clean and hygienic use. Dimensions (L x W x H): 73 x 21 x 13 cm. The extra large capacity of 25 L holds more waste. Fits perfectly in all compatible vacuum cleaners. Has high suction power and an anti-allergy filter. Contents: 5 x bags. For optimal performance, we recommend changing your vacuum cleaner's dust bag every 2 to 3 months (depending on use).