?Compatible With Irobot Roomba 500 Series? 510, 520, 521, 530, 531, 532, 533, 534, 535, 536, 537, 540, 541, 545, 550, 551, 552, 555, 560, 561, 562, 563, 564, 565, 566, 570, 571, 572, 573, 577, 580, 581, 585, 587, 589, 590, 595, 599. ? | | ?Compatible With Irobot Roomba 600 Series? 606, 610, 611, 612, 614, 615, 616, 618, 619, 620, 621, 625, 627, 630, 635, 637, 640, 643, 645, 650, 651, 652, 655, 660, 665, 667, 670, 671, 675, 676, 677, 680, 681, 685, 690, 691, 692, 693, 694, 695, 696, 697, 698. ? | | ?Compatible With Irobot Roomba 700, 800, 900 Series? 760, 761, 770, 780, 790, 801, 805, 850, 860, 870, 877, 880, 890, 891, 895, 960, 961, 980, 981, 985. | | ?Replace Part?Fit For Part #4636428. | | What You Get-- 6 * Brushes With Screw, These Can Be Replaced When One Is Cleaned, Increg The Use Rate Of Brushes, So It Can Save Time And Money. | | Please Clean The Filter Frequently,Replace The Brush And Filter Every 2-4 Months To Keep The Vacuum Cleaner Working With High-Perfo.