Compatible Model: Replacement Parts Set for Xiaomi Dreame V11 V10 V9 V9B Cordless Vacuum Cleaner (Please confirm your vacuum cleaner model before purchasing!) Package Contents: 4-Pack Replacement Accessories Set for Xiaomi Dreame V11 V10 V9 V9B Cordless Handheld Vacuum Cleaner (2 HEPA Filters, 1 Brush Roll, 1 Cleaning Brush) Good Quality: The brush roll is made of soft microfiber, does not scratch the floor, and can quickly remove odors and dirt. The HEAP filter can effectively increase the suction power of the vacuum cleaner against pollen, pet hair, mites, smoke, etc., providing you with a clean environment. Maintenance: Depending on the frequency of use, we recommend replacing the accessory set every 2 to 3 months to maintain the strong suction power of the vacuum cleaner. Shockproof, easy to change, no tools required. High-quality service: If you have any questions, you can contact us by email. We provide you with high-quality products and excellent customer service.