Home Robot Vacuums Roborock S4 Max Robot Vacuum Cleaner w/ 2000Pa Strong Suction $309.99 Robot Vacuums Roborock S4 Max Robot Vacuum Cleaner w/ 2000Pa Strong Suction $309.99 By ARCOM - 2 May 2021 64 0 SHARE Facebook Twitter Go to the deal page: Roborock S4 Max Robot Vacuum Cleaner w/ 2000Pa Strong Suction $309.99