General description The pack includes 2 cartridge filters designed for various Kärcher vacuum models, ensuring effective filtration and improved air quality in your home. Technical specifications Compatible with models: WD2, WD3P, WD3 Premium, WD 3200, WD 3230, WD 3500, SE 4001, SE 4002, MV 2, MV 3, MV3P, A 2676, A 2901, A2000, A 2054 ME, A 2101, A 2120, A 2204, A 2254, A 2604, A 2654, A 3100, A 4000, KNT 2 Premium, WD 2250, WD 2500, WD 3.200, WD 3.300, WD 3.500, WD 3.600, WD 3200, K 2000, K 2150, K 2301, K 2901, K 4000, MV 3, NT27/1, SE 4001, SE 4002, VC6000 Replaces original filters: 6.414-547.0, 6.414-772.0, 6.414-552.0 Usage Recommended usage duration: 2 to 3 months before replacement or cleaning. Frequent replacement or cleaning helps extend the vacuum cleaner's lifespan. The filter is washable and can be chemically cleaned; ensure it dries completely for at least 24 hours before use. To maintain efficiency, replace accessories every 2 to 4 months. Other information