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 - 10 December 2020 65 0 SHARE Facebook Twitter Go to the deal page: Roborock S4 Max Robot Vacuum Cleaner w/ 2000Pa Strong Suction $319.99