Compatible with: For S8 Pro Ultra vacuum cleaner robot. Materials and installation: It is made of advanced environmentally friendly materials, so it can resist stronger impact force to protect the vacuum. It is and easy to install. Tips for use: If you clean and replace the spare parts regularly, the vacuum cleaner remain powerful all the time and extend the life of the vacuum cleaner. Material: plastic colour: As shown Package Contents: 1 pair roller brush 4 x filter 4 x side brush 3 x rag 1 x cleaning 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.