Replacement iRobot Roomba 545 Pet Series Filter, Bristle Brush, Flexible Beater Brush, 3-Arm Side Brush, Brush Cleaning Tool - Kit Includes 3 AeroVac Filter, 1 Bristle Brush, 1 Flexible Beater Brush, 1 3-Arm Side Brush, 1 Brush Cleaning Tool Replacement iRobot Roomba 545 Pet Series Filter, Bristle Brush, Flexible Beater Brush , 3-Arm Side Brush and Brush Cleaning Tool The Brushes allows your Roomba to reach deeper into the carpet for a more thorough cleaning Replace filters every 2 to 3 months for best performance For Newer Version of the Roomba 545 Pet Series. Please check your Roomba to make sure you are purchasing the correct parts On Sale for a Limited Time!