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 - 1 May 2021 77 0 SHARE Facebook Twitter Go to the deal page: Roborock S4 Max Robot Vacuum Cleaner w/ 2000Pa Strong Suction $309.99