11PCS Xiaomi Roborock Robot Vacuum Cleaner Accessories Parts Side Brush Roller Brush HEPA Filter Mop ClothFeatures Main Brush When the robot is working the brush is rotated to sweep the dust into the dust box HEPAFilter Filters maintain for vacuum cleaner cleaning performance while reducing infiltration of dust pollen and other allergens into the air you breathe Side Brush Can reaches deep into corners and edges to remove more dirt dust and debris Mop Cloth Slot design makes the mop cloth more convenient and firm Can evenly absorb moisturePackage 2 x Roller Brush2 x Mop Cloth3 x HEPA Filter4 x Side Brush