Vacuum Cleaner Brushroll Cleaner Rolling Main Brush Bar Brushroll Roller Bar Spare Part Compatible with Mi Robot T4 T6 OOTDTY   Features: 100% brand new and high quality. It can be easily disassembled and replaced. It is best to replace spare parts every 2 to 3 months to keep the machine running at its best performance. Suitable for Mi Robot Roborock T4 T6. The material is soft and will not scratch the floor and furniture. Specification: Material: Plastic Weight: 55.13g Size: 20x2 cm/7.87x0.79 inches Applicable Model: For Mi Robot Roborock T4 T6 Package Includes: 1x Roller Brush note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item.