Replacement Side Brush 3-armed for iRobot Roomba 500 600 700 Series 550 560 630 650 760 Vacuum CleanerRobotic Accessory The innovative Side brush is for iRobot Roomba 500/600/700 Series 8pcs 3-armed Side Brush Designed to meet or exceed the original qualitity Made of high-strength and environmental protection material