AeroFroce iRobot Roomba 800 and 900 series filters: set of 3
Roomba 980 review: iRobot's best vacuum yet, but too pricey for most | Engadget
Amazon.com : ToSSme Tires for iRobot roomba Wheels Series 500, 600, 700, 800, 900 e5 e6 i7 Anti-slip, Great Adhesion and Easy Assembly. Replacement for all Roomba models(Pack of 2) : Home & Kitchen