1.Compatibility These replacement parts can be quickly replaced and easily installed with the robot Vacuum Cleaner Accessories. The product contains 1 main brush, 6 side brushes, 4 filters, 1 cleaning brush, 1 cleaning aid. 2.Efficient cleaning abilityThe floating main brush structure adapts to the cleaning of the floor and effectively squeezes the gap between the floor tile and the carpet edge into the dust box. It does not deform the floor and produces excessive noise. The removable bearing design, more convenient to replace. 3.6 Side BrushThe Dynamic Speed Regulating Side Brush is an anti-wrap structure. The brush is strong and durable and is also referred to as ""hair insulation bundle"". It can be rotated synchronously with the side brush to prevent hair from getting into the gap to collect hair dust and hair, prevent hair from entering the gap, and extend the life of the machine. 4.4 high filter + 1 cleaning brushThe well-sealed filter filters all the dust and effectively prevents the fan imported by the robot. The small cleaning brush can clean the hair from the main brush and the side brush, can also be used with other brooms. 5.Recommended replacement time: 3 months for replacing the side brush and filter and 6 months for replacing the main brush. Regular replacement of spare parts can ensure the maintenance performance of the sweeping robot and extend the life of the machine.