ITEM NAME:2pcs 6 Arms Side Brush for Roborock S50 S51 S55 Robot Vacuum Cleaner PartsB Gw.Item for Xiaomi for Roborock S50 S51 S55 MI Robot Vacuum Cleaner. For Xiaomi MI Robot only. For best results, side brush should be replaced every 2 - 3 months. 2 x New style 6-Arm brush(Pcs). Side brushes are easy to remove and replace as part of routine maintenance.
