Replacement Main Brush for Xiaomi 5 Pro / OV21CN Robot Vacuum Cleaner Precision fit and reliable performance Designed to match the original main brush for Xiaomi 5 Pro and OV21CN models, restoring factorylevel cleaning performance and compatibility. speed rotation reaches into floor crevices to remove dust, hair, and debris for a visibly cleaner surface. Materials and construction mixedbristle design combines soft and firm bristles: soft bristles protect finished floors, firm bristles lift embedded dirt from grout and carpet fibers. Durable construction resists deformation under regular use, maintaining shape and cleaning effectiveness over time. Antitangle geometry reduces hair and pet fur wrapping around the brush, making routine maintenance faster and easier. How this solves common cleaning problems Removes trapped debris and pet hair that a worn brush can leave behind, improving suction efficiency and overall cleaning results. Protects delicate floors while still delivering strong agitation where needed, reducing the risk of scratches from hardened bristles. Lowers time spent detangling and cleaning the brush, so your robot spends more time cleaning and less time in maintenance. Practical use scenarios Pet households: captures loose fur from hardwood and lowpile carpet with minimal tangles. Kitchens and entryways: lifts crumb and grit from crevices and tile grout after traffic activity. Daily home maintenance: restores deepcleaning action for regular vacuum cycles across mixed floor types. Compatibility and care Specifically compatible with Xiaomi 5 Pro and OV21CN robot vacuum cleaners; designed as a direct replacement for the original main brush. Inspect regularly for large tangles and when bristles show significant wear to maintain cleaning performance.