1. , materials, well-made, durable, and highly matched with the equipment. 2. Clean accessories keep your home robot at its performance. As part of daily maintenance, the accessories are easy to remove and replace. At the same time, reduce the infiltration of dust, pollen and other allergens into the air you breathe. 3. In order to achieve the cleaning and filtering effect, the cleaning accessories should be replaced every 2-3 months depending on the frequency of use. 4. The filter is used to filter dust, dirt and other impurities inhaled by the sweeping robot to keep the robot clean and running normally. The filter also prevents dust and dirt from entering the motor and other parts of the robot, thereby extending the service life of the robot. Colour:As Shown Material:plastic Package Contents: 8 * edge brush 8 * filter 8 * Rag cloth