1. Performance: Made of high-strength and environmentally friendly materials, it is relatively easy to install and disassemble, with good quality and durability. The sturdy materials are less likely to affect the operation of the vacuum cleaner, so there's less need to worry about machine damage. After use, the cleaning effect can be improved. 2. Main functions: The high-efficiency air filter (HEPA) meets relevant standards, which can enhance the suction and performance of your V11 model vacuum cleaner and effectively remove a high proportion (about 99.97%) of dust and dirt in your home. 3. Compatibility: This rear filter is suitable for wireless V11 vacuum cleaners, V11 powered vacuum cleaners, and V11 pet vacuum cleaners. It can be compared with the product with the part number 970013 - 02. 4. Convenience: Vacuum cleaner accessories are useful for removing dust, dirt, and debris from corners and edges. These components are durable and relatively easy to install, making cleaning work more convenient. 5. Maintenance: Washable high-efficiency air filter: It is recommended to wash it approximately once a month and replace it every 3 - 6 months to help the vacuum cleaner maintain relatively high - performance operation. 6. Material: Plastic 7. Color: Purple 8. Package contents: - 2 filters - 1 cleaning brush Only the above items are included in the package, and other items are not. 9. Precautions: Lighting and different displays may cause a slight difference between the color of the product in the picture and the actual item. A measurement error of plus or minus 1 - 3 centimeters is acceptable.