General description The pack includes 2 high-efficiency filter cartridges designed for various Kärcher vacuum cleaner models. These filters are made from quality HEPA filter paper and dense blown fabric, featuring activated carbon particles that help eliminate odors and purify the air. They ensure powerful suction and prevent motor overheating, contributing to the prolonged life of your vacuum cleaner. Technical specifications Model numbers: 6.414-552.0, 6.4.14-77 Filter efficiency: Removes 99.98% of dirt, hair, and small debris Particle size filtration: 0.3 µm (0.00003 mm) Material: High-density ABS, HEPA filter paper, and Melt Blown fabric Compatibility and accessories Compatible with Kärcher 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 Installation Easy installation in seconds without contact with dirt Recommended to replace