Package compatible with iRobot Roomba 800 & 900 series 805 860 861 870 871 880 890 891 960 980 981 985 vacuum cleaner High efficiency particulate and double-layer filter, can catch the invisible particles more efficiently, offer you a clean and fresh air environment. Snap in place for quick and easy daily replacement. Please clean the filter frequently,replace the brush and filter every 2-4 months to keep the vacuum cleaner working with High-Performance Package Include 1 set of rubber roller brush, 2 pack of side brushes, 3 pack of filters