Replacement iRobot Roomba 545 Pet Series Bristle Brush - For iRobot Roomba Robotic Vacuum Parts Replacement iRobot Roomba 545 Pet Series Bristle Brush Compatible with Roomba 500 and 600 Series models that have a red or green cleaning head Allows your Roomba to reach deeper into the carpet for a more thorough cleaning Please check your Roomba to make sure you are purchasing the correct parts On Sale for a Limited Time!