This rubber multi-surface brush is compatible with iRobot Roomba 800 805 810 820 825 830 840 850 851 860 865 866 870 871 876 877 880 885 886 890 891 896 900 920 925 930 9 35 940 945 950 960 966 970 975 980 985 990 Robot Vacuum Cleaner< br>Replacement rollers for all floors also thoroughly clean large surfaces and ensure sparkling clean surfaces. One brush cleaner moves dirt, the other rotates in the opposite direction around it to remove and vacuum it Made of high quality rubber, the roller brush can easily remove stains. And brush roll accessories can be easily removed and replaced as part of routine maintenance Kit includes: 2 light gray rubber brush, 2 dark gray rubber brush Tip: it is better to replace the brush for 2-5 months to keep your vacuum cleaner in the best condition and achieve better cleaning effect