Brand new and high-quality materials, well-made, durable, and highly compatible with 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. Also reduces the infiltration of dust, pollen, and other allergens into the air you breathe. In order to achieve the best cleaning and filtering effect, the cleaning accessories should be replaced every 2-3 months depending on the frequency of use. The function of the sweeping robot filter is 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 robot's motors and other parts, extending the robot's lifespan Type: Sweeper Accessories Color: as shown Material: Plastic Package Contents: 1 * Main Brush 1 * Self-Cleaning Roller Brush 4 * Side Brush 4 * Filter 4 * Mop Cloth 2 * Dust Bag 1 * Cleaning Brush Only the above