describe 1. Brand new, high-quality materials, excellent workmanship, durable, and highly matched with the equipment. 2. Cleaning accessories keep your home robot performing at its best. Accessories are easy to remove and replace and are part of daily maintenance. At the same time, it reduces the penetration of dust, pollen, etc. into the air you breathe. 3. In order to achieve cleaning and filtration effects, cleaning accessories should be replaced every 2-3 months depending on the frequency of use. 4. 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: Accessories Color: as shown in the picture material: plastic Package contents: Suitable for Ecovacs X2 side brushes (4 pieces) [Product size]100*100*25mm Note: Light reflections and different monitors may cause the color of the item in the picture to be slightly different from the actual item. The measurement allowance is +/- 1-3cm.