1. Brand new and high-quality materials, well-made, durable, and perfectly matched to the original equipment. 2. Clean accessories allow your home robot to maintain optimal performance. The contents of the accessories are easy to remove and replace as part of routine maintenance. While reducing dust, pollen, and other allergens from entering the air you breathe. 3. In order to achieve the best cleaning and filtration effect, the 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 motors and other parts of the robot, thereby extending the service life of the robot. Note:1. The real color of the item may be slightly different from the pictures shown on website caused by many factors such as brightness of your monitor and light