The Xiaomi Robot Vacuum X10 main roller brush is a replacement turbine brush designed specifically for the B102GL model to keep your floors clean. It features a combination of durable bristles and silicone fins that work together to lift dirt from both hard surfaces and carpets, while the specific design helps prevent hair and large debris from causing blockages. Constructed from high-quality wear-resistant materials, this orange brush is easy to maintain and offers a tool-free installation for quick swaps. To ensure your vacuum continues to perform efficiently, it is recommended to replace the brush every 6 to 12 months depending on how often you clean your home.