General description The AlwaysH Replacement Filters are designed for iRobot Roomba Series 800 and 900 vacuum cleaners, including models 980, 966, 960, 886, 880, 876, 875, 871, 870, 866, 865, 860, 850, and 805. These filters effectively purify the air by capturing dust, pollen, pet dander, and allergens, ensuring a cleaner environment. Technical specifications Compatible with iRobot Roomba Series 800 and 900 Models: 980, 966, 960, 886, 880, 876, 875, 871, 870, 866, 865, 860, 850, 805 Usage Easy to replace Recommended to change filters every 3 to 6 months, depending on usage frequency Other information Manual measurement may result in a 1-3 cm error Color differences may occur due to lighting and display variations; please refer to the actual item received