Amazon.com - iRobot Roomba Authentic Replacement Parts - Roomba 800 and 900 Series Replenishment Kit (3 AeroForce Filters, 2 Spinning Side Brushes, and 1 Set of Multi-Surface Rubber Brushes)
Amazon.com: caSino187 Top Bumper IR RCON Sensor Works with Roomba 500/600/700/800/900 Series : Automotive
Amazon.com: Replacement Parts for iRobot Roomba 800 900 Series 805 860 861 864 866 870 871 880 890 891 960 961 964 980 981 985, 17 PCS Replenishment Kit: 2 Rollers, 4 Filters, 4 Side Brushs, 5 Screws and 2 Tools : Home & Kitchen