Amazon.com - I clean Irobot Roomba Replacement Parts for Side Brushes,Compatible with Irobot Roomba 675 690 650 595 560 550, Spinning Side Brushes Not fit for Roomba 650 655 Pet Series -
Amazon.com: ANBOO Brush Kit Replacement for iRobot Roomba 700 600 650 Series(2 Bristle Brushes, 2 Flexible Beater Brushes, 2 Side Brushes) : Home & Kitchen