Home Robot Vacuums Roborock S4 Max Robot Vacuum Cleaner w/ 2000Pa Strong Suction $319.99 Robot Vacuums Roborock S4 Max Robot Vacuum Cleaner w/ 2000Pa Strong Suction $319.99 By ARCOM - 29 November 2020 71 0 SHARE Facebook Twitter Go to the deal page: Roborock S4 Max Robot Vacuum Cleaner w/ 2000Pa Strong Suction $319.99