The replacement parts compatible with RoboVac 11 RoboVac 11c Deebot N79 Deebot N79s Excellence robotic cleaner. High Performance-Snap into place for quick and effortless replacement.No tools required, easy to replace the filter. quality Keep your robotic cleaner running at by changing the consumable replenishment kit every 2~3 month,depending on your use frequency. 1.If brushes bent due to shipping,recover them by simply soaking with warm water for a while. 2.Change the spare parts every 3~6 months(depending on use frequency) 3.Snap the fitler into place for quick and effortless replacement.No tools reequired. How to replace the side brushes: 1.Roll the Deebot over on a flat surface. The brushes will be located on the front with bright connectors. 2.Place a plastic opening tool(or coin) under the lip of the brush head. 3.Gently pry up with the opening tool(or coin) so that the brush comes out completely. 4.Simply replace a new side brush by putting it back to the connector. How to replace the rolling brush: 1.Pull release tabs to remove brush guard 2.Firmly grip old rolling brush and lift to remove 3.Properly align end tabs of new rolling brush with slots to install 4.Replace brush guard and push to snap into place Colour:Yellow Material:plastic Package Contents: 1 * main brush 6 * side brushes 6 * filters Only the above package content, other products are not included. Note: Light 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.