1. Clean brushes keep your home robot running at peak performance. 2. Side brushes are easily removed and replaced as part of normal maintenance. 3. Filters maintain the robot's cleaning efficiency while reducing the entry of dust, pollen, and other allergens into the air you breathe. 4. For best results, filters should be replaced every 2 to 3 months. 5. For use with G1 only. 6. The vacuum cleaner accessories are of high quality. It is made of high-strength and environmentally friendly materials. 7. The accessories are easy to effectively remove dirt, dust, and debris from corners and edges. Especially your hair and pet hair. 8. The accessory parts are durable and easy to install, make your robot vacuum cleaner last longer. Product Information: for Mi Robot Vacuum-Mop Essential Use for G1 (Model Name: MJSTG1 / SKV4136GL) Color: Photo color Material: Plastic Package Contents: 2 x Roller Brushes 4 x Filters 5 x Rags 10 x Side Brushes Only the above package content, other products are