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.The vacuum cleaner accessories are of high quality. It is made of high-strength and environmentally friendly materials. 5.The accessories are easy to effectively remove dirt, dust, and debris from corners and edges. Especially your hair and pet hair Name: Main Roller Brush for Mop Model: for Mop Pro / 2 Pro / MJSTS1 Item Type: Vacuum Cleaner Accessories Use: Household Use: Floor Vacuum Part Type: Filters Type: Side Brush Suitable Model List: for Mi Robot Vacuum Mop Pro For- MJSTS1 Robot Vacuum Cleaner for Mi for Mi Robot Vacuum-Mop 2 Pro Color: As shown Material: Plastic + Superfine Fiber Package Contents: 2 * Main Brush 4 * Filter 4 * Side Brush 4 * Mop Cloth 1 * Cleaning Brush Only the above package