Iautomatic Bristle Brush & Flexible Beater Brush & 3-Armed Side Brush Replacement Kit for iRobot Roomba 500 Series Roomba 510, 530, 535, 536, 540, 550, 551, 552, 560, 564, 570, 580, 610 Vacuum Cleaning Robots all Green, Red, Black cleaning head--DOES NOT FIT 585 589 595 NOTE: DOES NOT FIT 585, 589, 595,ETC MODELS THAT USE GRAY BRUSHES WITH LARGE YELLOW BEARING Work better on deep carpet and Pet Hair than old Red version 2 Roomba 500 Series Bristle Brush 2 Roomba 500 Series Flexible Beater 2 Roomba 500 Series Side Brush