SHP-ZONE 2 Bristle Brush & 2 Flexible Beater Brush & 2 3-armed Side Brush for iRobot Roomba 500 Series 510, 530, 535, 540, 550, 560, 570, 580, 610 Vacuum Cleaning Robots 2 Bristle Brush & 2 Flexible Beater Brush & 2 3-armed Side Brushes Clean Brushes keep your home robot operating at peak performance New design allows your Roomba to reach deeper into the carpet for a more thorough cleaning Innovative design effectively picks up dirt, hair and debris. New design allows for easier maintenance of brushes Fits 500 series Roombas 510, 530, 535, 536, 540, 550, 551, 552, 560, 564, 570, 580, 610