General Description This set of 2 cartridge filters is designed for Kärcher vacuum cleaners, offering perfect compatibility with several models. Made with high-quality materials, these filters guarantee effective air purification while maintaining the suction power of your device. Technical Specifications Product Type: Set of 2 filters compatible with Kärcher 6.414-552.0 / 64145520 Materials: HEPA filter paper and melt-blown fabric, with a high-density ABS housing Efficiency : H12 Hepa filter removing 99.98% of particles down to 0.3 µm Compatibility and accessories Compatibility : Kärcher vacuum cleaners models WD1, WD2, WD 2 Premium, WD3P, WD3 Premium, WD 3200, WD 3230, WD 3500, SE 4001, SE 4002, MV 2, MV 3, MV3P, A 2004, A 2054 ME, A 2101, A 2120, A 2204, A 2254, A 2604, A 2654, K 2150, KNT 2 Premium Accessories: Closing clips and fixing screws included Installation The filter is designed for quick and easy installation. Replacement can be done in seconds without contact with dirt.