The irobot roomba vacuum accessoriesis are used for roomba 500 600 700 800 900 series robot vacuum cleaner. 510 520 527e 527 52708 528 529 530 531 532 535 536 540 550 551 552 555 560 561 563 564 56708 570 580 581 585 595 601 602 610 611 614 620 625 627 630 635 650 651 653 654 655 660 665 750 760 761 770 775 765 772 776 780 782 785 786 790 805 860 861 865 866 870 871 880 885 960 966 980 | The irobot roomba vacuum cleaner accessories are high quality. It is made of high-strength and environmental friendly materials. | When the front caster wheel is not rotating, squeaking, or falling, you need to clean it, and you can keep up with the best performance of the rumba. Easy installation, tools are not necessary. | In case of trouble such as initial malfunction, breakage, shipping mistake etc., our shop corresponds promptly, so please do not hesitate to contact us for inquiries. | 【Manufacturer's Warranty】:There is a 60 day warranty after delivery. Please buy with confidence.