Model Compatibility: Compatible with eufy Robot Vacuum Omni S2 High Performance: Replace your roller brush to ensure you get the best performance from your robot vacuum Tool-Free Installation: Effortlessly replace parts on your robot vacuum with a simple, straightforward process that requires no additional tools. Suggested Replacement Frequency: We recommend replacing every 3 months, depending on your usage frequency. Note: To protect your robot vacuum and extend its lifespan, we recommend using genuine eufy replacement parts. Third-party alternatives may not be compatible and may affect performance.