Refurbished: iRobot Roomba 850 Robotic Vacuum with Scheduling Feature, Remote and Docking Station (Certified Refurbished) - Newegg.com
Amazon.com - Fuyoda Replacement Accessory 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 -