Replacement 3-Pack iRobot Roomba 550 Flexible Beater Brush - For iRobot Roomba Robotic Vacuum Parts Replacement iRobot Roomba 550 Flexible Beater Brush Compatible with Roomba 500 and 600 Series models that have a red or green cleaning head Innovative design effectively picks up dirt, hair and debris Please check your Roomba to make sure you are purchasing the correct parts On Sale for a Limited Time!