JoyBros Replacement Parts Accessories Kit is for Perfect fit irobot ALL Roomba 600 Series 692 694 695 675 677 671 690 680 660 640 645 655 650 620 614 595 585 564,3 Bristle & Beater Brushes, 6 Filters, 8 Side Brushes What's in the box: Roller Brush X3 sets, Filter X6 , Armed-3 Side Brush X8, Brush Cleaning Tool X3 ,Screw X3, Screw Driver X1 it'best to change the accessories in every 3 month to keep the roomba at the best working condition They are installed as easy as the OEM ones ,if there is any issue ,please contact us anytime we will provide solutions immediately . Our product have been well tested, Examined and package before sending off, Please just feel free to contact us if you have any problem for the products or the service,We will do the best to give you a satisfactory solution. Replacement Parts Accessories Kit for irobot Roomba 600 Series 694 695 677 671 690 680 660 650 620 614 595 585 564,3 Bristle & Beater Brushes, 6 Filters, 8 Side Brushes