COMPATIBLE MODEL: Replacement filters are designed for the V8 FOCUS vacuum cleaner. The post-filter is only available for V7 and V8 vacuum cleaners, not suitable for other series vacuum cleaner models. HIGH QUALITY: V8 FOCUS filter is made of high-strength green materials, which can improve the performance of the vacuum cleaner and create a clean and comfortable living environment for you. WASHABLE AND REUSABLE: Replacement filter for V8 FOCUS can be washed directly with water and can be reused after drying. It is recommended to clean once every 2-3 weeks and replace the filter every 2-3 months. This can maintain the good performance of the vacuum cleaner and extend the life of the vacuum cleaner. High-efficiency activated carbon filter absorbs household odors from pets, cooking, , forest fires and harmful Easy to replace and disposable, no tools required. Replace filters every 6 months for optimal performance. Super Self-Cleaning Dust Brush Features: Details matter. Gently clean