Details
Irobot Roomba 500/600/700 Series Brush Motor + Dirt Sensor Detector
Replacement Brush Motor And Dirt Detector Sensor For Roomba 500/600/700 (Select Models). There Are A Couple Of Variations Of This Motor. Please See Photo Closely. The Variations Exist With The Dirt Sensor. Older Models Use A Rectangular Dirt Sensor Circuit Board, This One Is Square.