Roomba 880 vs 980 – Battle of the Brush-less Robots
Amazon.com: Fuyoda Replacement Parts Kit for iRobot Roomba 800 Series 850 860 861 866 870 880 890 900 Series 960 980 981 985 Vacuum Cleaner,Replenishement Parts with 2 Set Extractors,4 Filters,4 Side Brushes Accessory : Home & Kitchen
User manual iRobot Roomba 866 (English - 36 pages)