2 Pack Cartridge Filter for Karcher WD3 Premium, WD2, WD3, WD3P, MV2, MV3, Replacement Filter for Karcher Vacuum Cleaner 6.414-552.0 / 6414552 Perfect Compatibility: Cartridge filter for Karcher WD1, WD2, WD2 Premium, WD3P, WD3 Premium, WD3200, WD3230, WD3500, SE4001, SE4002, MV2, MV3, MV3P, A2004, A2054 ME, A2101, A2120, A2204, A2254, A2604, A2654, K2150, KNT2 Premium Premium Materials: Made with high-quality HEPA filter paper and melt-blown cloth, constructed from high-density ABS material to original specifications. Dense melt-blown fabric and HEPA filter paper with activated carbon particles help capture dust, reduce odors, purify air, and absorb impurities. Excellent air permeability prevents motor overheating, enhancing suction power and extending vacuum lifespan High-Efficiency Filtration: Built with durable and eco-friendly materials, this H12 HEPA filter captures up to 99.98% of dust, hair, and fine particles as small as 0.3 microns. Ideal for deep cleaning and maintaining clean indoor air Easy to Install and Reusable: Simple installation in seconds without contact with dirt. These vacuum filters are washable and reusable. For best performance, replace every 3 months, especially in homes with pets, children, or smokers Product Type: 2-pack replacement cartridge filter compatible with Karcher models 6.414-552.0 / 64145520, including WD2, WD2.200, WD2250, WD2500, WD3, WD3P, WD3.300, WD3.500P, WD3.600, WD3.800, A2004, A2054 ME, A2204, A2254, A2604, KNT2 Premium, SE4001, SE4002. Includes locking clips and fixing screws