Reduce maintenance costs: replacing the main brushes of vacuum cleaners and sweeping robots regularly can prevent major failures caused by minor problems and reduce maintenance costs.|Reduce running noise: worn vacuum cleaner and main brush of sweeping robot are prone to generate abnormal noise when rotating. After replacement, reduce friction and make the equipment run quieter.|Replace the main brush of sweeping robot and vacuum cleaner, the bristles are dense and flexible, which can penetrate into the gap, easily sweep up dust and debris, and improve the overall cleaning.|Worn vacuum cleaners and main brushes of sweeping robots may have the risk of loose parts, and potential safety hazards will be eliminated after replacement.|Main Brush Brushroll Roller Bar Brush ,Compatible for Dyson, DC65 DC66 UP-13 Animal Upright Vacuum Cleaner Sweeping Robot Accessories