General description Replacement Parts for iRobot Roomba 800 900 Series, including models 805, 860, 870, 871, 880, 890, 891, 960, 980, 981, and 985. These high-quality replacement accessories are designed to keep your home robot operating at peak performance. Regular maintenance with these parts helps prevent dust, pollen, and other allergens from entering the air you breathe. Technical specifications Type: Sweeper Accessories Color: as shown Material: plastic Package Contents: 1 pair x main brush, 6 side brushes, 6 filters, 1 x cleaning brush Measurement allowed error: +/- 1-3 cm Usage To achieve the best cleaning and filtering effect, it is recommended to replace the cleaning accessories every 2-3 months, depending on the frequency of use. The HEPA filter can improve air quality and reduce particle size by up to 99.97%, effectively removing household dust, pet dander, and odors from pets, smoke, cooking fumes, and various household products.