1. Clean brushes keep your home robot at best performance. 2. The side brushes are easily removed and replaced as part of normal maintenance. 3. Filters maintain the cleaning efficiency of the robot while reducing the ingress of dust, pollen and other allergens to the air you breathe. 4. For best results, filters should be replaced every 2 to 3 months. Vacuum cleaner accessories are of high quality. It is made of high-strength and environmentally friendly materials. 5. The accessories are easy to remove dirt, dust, and trash in corners and edges effectively. Especially your hair and your pet's hair. Accessories parts are durable and easy to install, Make your robotic vacuum cleaner and longer. Applicable Models: for - Eufy RoboVac 11S for - Eufy RoboVac 11S Plus for - Eufy RoboVac 30 for - Eufy RoboVac 30C for - Eufy RoboVac 12 for - Eufy RoboVac 15C for - Eufy RoboVac 15T for - Eufy RoboVac 25C for - Eufy RoboVac 35C color:As shown Material:plastic Package Contents: 2 x roller brush 4 x side brush 4 x hepa filter 1 x primary filter 1 x main brush cover 1 x clean brush Only the above package content, other products are not included. Note: Light shooting 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.