Filter: Used for sweeping machine to filter fine Side brush: When sweeping the floor to work, adjust and rotate the side brush to and garbage into the box Applicable models: suitable for G8000、 G8000Pro vacuum cleaners Designed to maintain the efficiency of your robot vacuum, this set includes 1pc main brush, 4pcs side brushes, 4pcs HEPA filter, 2pcs mop cloths Roller brush: When the sweeper is working, the roller brush adjusts and rotates to clean the ground deeply