, high-quality materials, well-made, durable, and highly compatible with the equipment. clean accessories keep your home robot at peak per compatiblemance. Accessory contents are easily removed and replaced as part of routine maintenance. In order to achieve the best cleaning and filtering effect, cleaning accessories should be replaced every 2-3 months according to 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 life of the robot Type:Vacuum cleaner accessories Filter Quantity:8PCS/6PCS/4PCS : Material:Plastic Package Contents: 8 * filter 1 * cleaning brush / 6 * filter 1 * cleaning brush / 4 * filter 1 * cleaning brush Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.