Maintenance - Keep your robot running at peak performance by changing spare part every 2~3 month,depending on your use frequency.Applicable model: Fit for Dreametech W10 robot vacuum.Heavy-duty side brushes reach deep into corners to pick up more dust and debris.High Performance - Snap into place for quick and effortless replacement. No tools required,easy to install.Colour: as shownMaterial: plasticPackage Contents:1 * Roller brush2 * Side brush2 * Hepa filterOnly 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.