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 also prevents dust, pollen, and other allergens from entering the air you breathe. To achieve the best cleaning and filtering effect, the cleaning accessories should be replaced every 2-3 months depending on the frequency of use. Technical specifications Color: as shown Material: plastic Measurement allowed error: +/- 1-3 cm Package contents 1 x Main Brush 1 x Filter Screen 1 x Dust Filter 2 x Main Brush Cover 1 x Universal Wheel 2 x Filter Cotton