The Dreame RMSRB0 is a replacement main brush roller designed to keep your robot vacuum cleaning efficiently. Made from durable grey rubber, this component effectively agitates and lifts dirt, hair, and debris from both hard floors and carpets, ensuring a thorough clean across different surfaces in your home. This part is compatible with a wide range of models, including the L10s Ultra, L20 Ultra, L30 Ultra, X30 Ultra, X40 Ultra, and various D10 and S10 series units. Because it is built to handle the friction of daily use, it provides a reliable way to maintain the suction performance of your device over time.