iRobot Verro 600 Pool-Cleaning Robot Pool-cleaning robot cleans pools up to 20 by 50 feet in about an hour Powerful vacuum and filtration system pick up debris as small as 2 microns Sturdy PVA roller brushes; auto reverse; fine filter bag; 60-foot floating cable Designed for all pool surfaces; optional cart provides easy storage and transport Measures 18-8/9 by 15-2/3 by 14-3/5 inches; 2-year warranty