8PCS Xiaomi Roborock Robot Vacuum Cleaner Accessories Part Side Brush Roller Brush HEPA Filter Caster WheelFeatures:Thesehepafilterarewashable.Uniquedesign,easytocleanthedustNylonbrush,itwillnotscratchthefloorandfurniture.Thecasterwheelcooperatesweepmachinetowipethefloor,movetoturnfunction.Thecasterwheelusewashableanddurablematerialstomakegoodaccessoriestomakecleaningmoresmooth.PackageIncluded:3xSideBrush1xRollerBrush3xHEPAFilter1xCasterWheel