General description The 2X Side Brush and Main Brush set is designed for various robot vacuum cleaner models, including M200, M520M, M501-A, M571, and T700. This replacement accessory set ensures optimal cleaning performance for your robot vacuum. Technical specifications Color: Black Material: Plastic Package Contents: 2 x Main Brush, 4 x Side Brush Measurement allowed error: +/- 1-3 cm Usage The accessories can be installed without tools. For best performance, clean the brush and filter frequently. Replace the brushes every 2-3 months depending on usage frequency. The accessories are washable.