iRobot Roomba 780 Vacuum Cleaner Accessory Kit Replacement -Kit Includes: 2 Side Brushes, 2 Flexible Beater Brush, 2 Bristle Brush Kit Includes: 2 6-Arm Side Brushes, 2 Flexible Beater Brush, 2 Bristle Brush For Roomba 700 Series Brushes allows your Roomba to reach deeper into the carpet for a more thorough cleaning