Original Dual Roller Brush Vacuum Robot Spare Parts, Compatible With Dreame Aqua10 Track / Aqua 10 Pro Track / Aqua 10 Ultra Track Complete / RLR61CE / RLR81/Aqua10 Roller/Aqua 10 Ultra Roller Complete/RLH31CE/RLH71DE /X50 Pro/S60 Pro/S60 D20 Pro Plus D20 Pro / D20 Plus OSSIEAO X50 Ultra/X50 Master/Mova V50 Ultra/L50 Pro Ultra X40 Plus S40 Enhanced L40s(Pro) Ultra Robot Vacuum Cleaner