Fangrui Product Details Dual Protection Design: This Main Roller Brush Not Only Safeguards The Robot Vacuums Main Body But Also Protects Your Delicate Floors From Scratches And Damage, Ensuring A Longer Lifespan For Both Your Vacuum And Flooring. Enhanced Suction Efficiency: By Focusing The Vacuums Suction Power, This Main Brush Minimizes The Secondary Dispersion Of Dirt And Debris, Making Your Cleaning Sessions More Effective And Leaving Your Floors Impeccably Clean. Optimal Cleaning Performance: To Maintain Cleaning Efficiency, It Is Recommended To The Main Brush Every 6-12 Months. Regular Helps Prevent Wear And Tear And Keeps Your Vacuum Running Smoothly. Compatibility And Precision: Specifically Engineered For N30pro Models, This Brush Ensures A And Optimal Functioning With Your Specific Vacuum Model. Colour:black+blue Material:plastic Package Contents: 2 X Roller Brush Only The Above Package Content, Other Products Are Not Included. Note: Light Reflection And Different Displays May Cause