?Compatible Models?For Irobot Roomba 500 600 700 Series 694 676 675 692 695 677 671 690 680 660 650 620 614 610 600 760 770 780 Vacuum Cleaner | | ?Easy To Replace?Comes With Screw, It Is Easy To Be Replaced And Installed On Your Robot Vacuums | | ?Suggest A Reminder?To Keep Your Robot Running At Peak Performance, The Parts Are Recommended To Be Replaced In Time | | ?Package Include?6Pcs Side Brushes With Screw | | ?After Services?If There Is Any Defect With The Side Brushes, Feel Free To