For Sweeping Robot Kit Spare Parts Accessories,Accessory Part and high quality. Made of high-quality materials, more . Filter filters fine dust to reduce dust, pollen and other from penetrating into the air you breathe. Uniquely designed brushes with rubber treads to adapt to different floor surfaces that remove everything from small dust to large deposits. It is best to replace spare parts every 2 to 3 months to keep the machine running at its best performance. Colour:As Shown Material:plastic Package Contents: 1 * Main brush 6 * side brush 4 * filter 8 * rag 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.