iRobot Roomba 500/600/700 Series Brush Motor + Dirt Sensor Detector<div style="text-align: left;"><strong>[Product Information]</strong><br><ul><li>Replacement Brush Motor for Roomba</li><li>Works with Gray CHM and newer green CHMs</li><li>Not compatible with the Red or Black CHM (cleaning head module)</li></ul></div><img src="http://ecx.images-amazon.com/images/I/51wVlVLYDzL.jpg" noproxy><img src="http://ecx.images-amazon.com/images/I/51xiv5pWkwL.jpg" noproxy>