Perfect fit: Cartridge filter for Krcher 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 Top quality materials: using Premium HEPA filter paper and Melt Blown Cloth, the product is made of high density ABS material according to the original size. Dense blown fabric and HEPA filter paper, with activated carbon particles, eliminate peculiar odors, purify the air and absorb harmful substances. For better suction power, no overheating of the motor thanks to good air permeability and therefore a longer life of the vacuum cleaner. High-efficiency filter: Made of high-efficiency material strength and eco-friendly, the highly efficient H12 Hepa filter can remove 99.98 percent of dirt, hair and small debris down to 0.3m (0.00003mm). Powerful Filter for Deep Home Cleaning Easy to Use and Install: Easy installation and long life. Replacement in seconds without contact with dirt. These vacuum parts can be washed and reused. It is recommended that you renew your vacuums filter every 3 months for optimal performance, especially in homes with children, pets or smokers. Product Type: 2 Pack Compatible Filters with Krcher 6.414-552.0 or 64145520 with closing clips and fixing screws, filters for Krcher vacuum cleaner WD2, WD 2.200, WD 2250,WD 2500,WD3, WD3 P, WD 3.300, WD 3.500 P, WD 3.600, WD 3200, WD 3600, WD 3.800, A2004, A2054 ME, A2204, A2200, A2254, A2604, KNT 2 Premium, SE 4001, SE 4002 Number of products: 2 pieces Color yellow Size: 115x120mm Inner diameter: 80mm Note: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement.