Perfectly compatible: The cylindrical filters are suitable for WD3, WD2, WD1, MV3, MV2, K, KNT, compact battery models WD1, WD2, WD2 Plus, WD2 Premium, WD3P, WD3, WD3 battery, WD3 Premium, WD 2.200, WD 2.250, WD 2.400, WD 2.500, WD 3.200, WD 3.800, MV2, MV3P, A2004, A2054, A2101, A2120, A2204, A2254, A2604, A2654, K2150, K2301, K2901, K4000, KNT2 Premium; replaces filter numbers: 6.414-547.0, 6.414-772.0, 6.414-552.0. High-quality filtering elements: This vacuum cleaner replacement filter is made of high-quality HEPA filter paper and melt-blown fabric; metal components are used, and the product is constructed from high-density ABS material according to specifications. The dense melt-blown fabric and HEPA filter paper with activated charcoal eliminate odors, purify air, and absorb harmful substances. Due to excellent air permeability, the motor will not overheat. High-efficiency filtration: The filter is made from high-resistance materials, environmentally friendly and efficient. It captures 99% of dirt, hair, and fine particles down to 0.3 microns, providing deep cleaning for your home. It filters fine dust particles up to 40 microns (0.04 mm), including dust, smoke, viruses, and pollen. Regular cleaning of the vacuum filter is recommended. Easy to install and use: These WD2 and WD3P replacement filters for models A2574, A2604, A2654, A2656, A2674, A2675, A2676, A2901, A3000, A3100, A4000, A2000, K2000, K2150, K2301, K2901, K4000 are easy to install and can be replaced in seconds without dust exposure. These vacuum parts are washable and reusable. It is recommended to replace the filter every 3 months for optimal performance, especially in households with children. Color: Yellow Material: Plastic Note: Color variations due to different production batches do not affect functionality. Light reflection and display settings may cause slight color differences between the image and the actual item. Measurement error allowance is +/- 1-3 cm. Package Contents: 2 x Filter 1 x Cleaning Brush Note: Only the above items are included. Other products are not included.