18PCS Main Brush Hepa Filter Side Brushes Replacement for Xiaomi Mi Robot Roborock S50 S51 Roborock 2 Vacuum Cleaner Accessory KitFeatures Compatibility These replacement parts are compatible with Xiaomi Roborock S50 S51 robots and include two pieces of main nozzles three side brushes three filter screens two pieces of wipes six pieces of filter cores and two pieces of cleaning tools Main Brush and Side Brush The V shaped main brush rotates at a high speed of 1350 rpm and effectively pushes the dust into the dust box in the gap of the floor tiles and edges of the carpet And the side brushes keep the wall edge and wall corner clean The body of them is made of ABS and the thermoplastic Elast The bristles are made of wear resistant nylon bundle which does not strain the ground and produces excessive noise Wipers and Filter Core These replacement parts for Xiaomi Roborock S50 S51 are equipped with 2 microfiber mops and 6 filter cores With those you can replace the dirty wipes and filter cores for mop under robotic vacuum cleaner Dustbox filter screen The filter uses Class E11 filter material to efficiently filter dust and prevent dust from entering the machine and blocking the machine The filter screens could not be washed to extend service life The dust box can be removed and cleaned Easily replaceable Due to the wide compatibility these spare parts are easily removable and you can quickly replace and install this accessory for vacuum cleaner robots In