Dreame RMB0 vacuum accessory/supply Brush Robot vacuumThe main roller brush simplifies the process of cleaning for both human and pet hair. Made for DreameBot D9. The nylon microfiber floating main brush head makes it easier to properly remove dirt, dust, and other particles from difficult to reach areas. For the best possible cleaning results, the replacement parts of the robot vacuum should be swapped out every 1 3 months depending on its usage. This package includes one main brush. Dreame RMB0.