Irobot 500 upgrade kit give your existing roomba aerovac technology, which maximizes airflow in the debris bin and pulls hair and debris off of the counter-rotating brushes * It is simply exchange the existing bin sliding it out of the robot and slide the new one in * The aerovac bin is compatible with all 500 series robots * The Roomba 500 series aerovac upgrade kit makes your Roomba more effective and even more convenient * The powerful aerovac bin is the latest breakthrough in cleaning technology