*Made of high-quality materials, more durable *Exquisite and delicate, highly matched with equipment *Side brush goes deep into corners and edges to remove more dirt, dust and debris * The filter can maintain the cleaning performance of the vacuum cleaner while reducing the penetration of dust, pollen and other allergens into the air you breathe. *As part of normal maintenance, it can be easily removed and replaced *It is recommended that you replace spare parts every 2 to 3 months according to the frequency of use to keep the machine running at its best performance *Compatible model: For Eufy 11s RoboVac 11S RoboVac 30 RoboVac 30C RoboVac 15C *Color: as shown Package Contents(optional): A: 1*Main brush, 3*filter, 4*side brush