IMPORTANT ATTENTTION: Partial iRobot Roomba 675 670 671 677 675 690 692 650 655 HAS TWO CONFIGS OF SWEEPING BRUSHES PLS CLICK NO.2 PICTURE IN THE LINK TO CHECK BEFORE ORDER | What's in the box: Bristle and Flexible Beater Brush X3 sets, Aero Vac Filter X6 , Front Caster Wheel X1, Armed-3 Side Brush X8, Brush Cleaning Tool X3 ,Screw X3, Screw Driver X1 | All products are produced from high quality environmental protection materials. | Tip: It's better to replace spare parts for 1-3 months so that your vacuum cleaner is in the best working condition, we provide installation instructions, and with the help of our free tools, replacement accessories can become quick, easy and hygienic. | If you meet any quality or other problems after the purchase we will solve it in 24 hours.