General description New high-quality materials make this replenishment kit durable and highly compatible with IRobot Roomba models I7, I7+, E5, E6, and I3. Keeping your cleaning accessories in top condition ensures your home robot operates at peak performance. Regular maintenance is easy, as the contents of the accessories can be removed and replaced effortlessly. Technical specifications Color: as shown Material: plastic Package Contents: 2 sets of main brushes, 8 side brushes, 8 filters, 1 cleaning brush, 1 driver, 1 universal wheel Measurement allowed error: +/- 1-3 cm Usage To achieve the best cleaning and filtering effect, it is recommended to replace the cleaning accessories every 2-3 months, depending on usage frequency. The filter effectively captures dust, dirt, and other impurities, preventing them from entering the robot's motors and extending its service life. The rotating brush cleans dust and debris from the floor, pushing it towards the suction port for more effective