General description The Replacement Multi-Rubber Roller Brush is designed for S9 (9150) and S9+ (9550) Wi-Fi connected robot vacuum cleaners. This high-efficiency brush is made from environmentally friendly rubber material, which is soft yet durable, ensuring effective cleaning performance while maintaining a fresh air environment. Technical specifications Material: Rubber Measurement allowed error: +/- 1-3 cm Compatibility and accessories Compatible with S9 (9150) and S9+ (9550) robot vacuum cleaners Package includes 4 roller brushes Installation Easy to install without any complex steps, providing a hassle-free cleaning experience. Usage Replace the filter every 2-3 months to maintain vacuum cleaning performance and reduce dust infiltration. Other information