Iautomatic iRobot Roomba 700 600 500 Series Brush Replacement Kit for 770 780 760 650 550 Compatible with iRobot Roomba 700 600 500 Series Vacuum Cleaning Robots Fully compatible with 500 Series Cleaning Head module 2 Roomba 700 Series Bristle Brush 2 Roomba 700 Series Flexible Beater 2 Roomba 700 Series Side Brush 3 armed