General description New high-quality materials, well-made, durable, and perfectly matched to the equipment. Clean accessories keep your home robot at peak performance. The contents of the accessories are easily removed and replaced as part of routine maintenance. This set also prevents dust, pollen, and other allergens from entering the air you breathe. Technical specifications Color: as shown Material: plastic Package Contents: 2 x Roller Brushes 6 x Side Brushes 5 x Filter Screens 4 x Rags 2 x Main Brush Covers 12 x Cores Measurement allowed error: +/- 1-3 cm Usage To achieve the best cleaning and filtering effect, the cleaning accessories should be replaced every 2-3 months depending on the frequency of use.