Compatibility Guaranteed: Specifically designed as a replacement rolling brush set For D2 D3 D6 E20 E30 E31 vacuum robots, ensuring a and seamless operation. This high-quality brushes that are easy to install, enhancing your vacuum's performance. High Performance and Easy Installation: Engineered for quick installation, these replacement brushes fit perfectly with the For D2 D3 D6 E20 E30 E31. Regular Maintenance for Optimal Performance: To maintain the efficiency of your For D2 D3 D6 E20 E30 E31, it is recommended to replace the roller brush every three months, depending on your usage frequency. This regular maintenance helps keep your vacuum running smoothly. Economical Replacement Set: This package includes two sets of rolling brushes, providing an economical solution for maintaining your For D2 D3 D6 E20 E30 E31. Keep your vacuum running like without frequent investments. Colour:As Shown 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 the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.