ANBOO Side Brushes and Filters for iRobot Roomba 800 900 Series 805 860 870 871 880 890 960 980 Replacement Parts Accessories,3 Side Brushes, 4 HEPA Filter Compatible with iRobot Roomba 800 & 900 Series Vacuum Cleaning Robots 890 891 894 860 861 864 880 870 980 960 961 964 These replacement parts are made of high quality PC, fully use of efficient and durable filter and side brush material.Side brushes are easy to remove and replace as part of routine maintenance. Roomba Vacuum Filters and Side Brushes can maintain Roomba's cleaning performance while reducing infiltration of dust, pollen and other allergens into the air you breathe. To keep your iRobot Roomba operating at peak performance,replace the filter and side brush every 2-3 months.Change frequently with pets in your home or depend on your usage Accessories Package includes 6 hepa filters and 3 armed-3 side brush