General description Brand new and made from high-quality materials, these accessories for the Dreame X40 Pro Robot Vacuum are durable and perfectly matched to the equipment. Clean accessories allow your home robot to maintain optimal performance while reducing dust, pollen, and other allergens from entering the air you breathe. The contents of the accessories are easy to remove and replace as part of routine maintenance. Technical specifications Color: as shown Material: plastic Package Contents: 2 x Main Brush 10 x Filter 10 x Mop 10 x Dust Bag Measurement allowed error: +/- 1-3 cm Usage To achieve the best cleaning and filtration 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, keeping the robot clean and running normally. The filter also prevents dust and dirt from entering the robot's motors and other parts,