General description This 5-piece replacement cloth set is designed for the iRobot Roomba Combo Series Robots, specifically compatible with models combi113 and r113840. The kit includes 3 reusable cleaning cloths that effectively eliminate stubborn stains, dust, and dirt with their absorbent fibers. Compatibility and accessories Compatible with iRobot Roomba Combo Series Robots Models: combi113, r113840 Installation The cleaning cloths can be easily removed and replaced as part of normal maintenance. Usage For optimal performance, it is recommended to replace the cleaning cloths every 2 to 3 months.