HEPA Filter: Efficient HEPA filter for robot vacuum cleaner Unique design, easy to clean the dust box in use. Side Brush: Practical side brushes for robot vacuum cleaner, will not scratch the floor and furniture Unique design, easy to collect hair material, use. Main Brush: Recommend to replace 6-12 months. Practical rolling brush for Xiaomi robot vacuum cleanerFloating structure, deep cleaning. It is best to replace the spare parts every 2 to 3 months to keep the machine running at its best performance Filters maintain cleaning performance while reducing the infiltration of dust, pollen and other allergens into the air you breathe. Name: Vacuum Cleaner Accessories Material: Plastic Color: Black + Orange + White Package Contents: 2 x Main Brush 4 x HEPA Filter 4 x Side Brushes Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in a little different from the real thing. The measurement allowed