General description New high-quality materials ensure that these accessories are well-made, durable, and perfectly matched to your iRobot Roomba S9(9150), S9+(9550), and S Series. Clean accessories keep your home robot at peak performance, preventing dust, pollen, and other allergens from entering the air you breathe. The contents of the accessories are easily removed and replaced as part of routine maintenance, and to achieve the best cleaning and filtering effect, they should be replaced every 2-3 months depending on usage. Technical specifications Type: Sweeper Accessories Color: as shown Material: plastic Package Contents: 2 pairs x main brushes, 8 x side brushes, 8 filters, 10 x dustpans, 1 x cleaning brush Measurement allowed error: +/- 1-3 cm Usage The HEPA filter can improve air quality and reduce particle size by up to 99.97%, helping to remove household dust, pet dander, and more. Pre-filters help reduce unpleasant odors from pets, smoke, cooking fumes, and various household