General description Efficient HEPA filter and practical side brushes designed for various Xiaomi robot vacuum cleaners, including models 1S, S6, S5 MAX, S60, S65, S50, E25, and E35. These accessories help maintain optimal cleaning performance while reducing the infiltration of dust, pollen, and other allergens into the air. Technical specifications Material: Plastic Color: Black + Orange + White Package Contents: 2 x Main Brush, 4 x HEPA Filter, 4 x Side Brushes Measurement allowed error: +/- 1-3 cm Usage It is recommended to replace the HEPA filter and side brushes every 2 to 3 months for best performance. Main brush replacement is suggested every 6 to 12 months.