General description New high-quality materials ensure that these accessories are well-made, durable, and perfectly matched to the original equipment of the Xiaomi Roborock E4 E5 S4 Max Robot Vacuum Cleaner. Clean accessories help maintain your robot's best performance while reducing the infiltration of dust, pollen, and other allergens into the air you breathe. Regular maintenance is essential, and these accessories are easy to disassemble and replace. Technical specifications Material: Plastic Package Contents: 2 x Main Brush 4 x Side Brushes 4 x Filters 1 x Cover 1 x Cleaning Brush Measurement allowed error: +/- 1-3 cm Usage To achieve the best cleaning and filtering effect, it is recommended to replace the cleaning accessories every 2-3 months, depending on the frequency of use. The HEPA filter can greatly improve air quality and reduce particle size by up to 99.97%, helping to remove household dust, pet dander, and unpleasant odors from pets, smoke, cooking fumes, and various