For R1 Robot Vacuum Cleaner Made of high quality materials, more Exquisite and delicate, highly matched with the equipment As part of normal maintenance, it can be easily removed and replaced It is recommended to replace the spare parts every 1 to 3 months depending on the frequency of use to keep the machine at optimal operation color: as shown Material: plastic Package Contents: 1 x Rolling Brush 2 x Side Brush 2 x Drag 2 x Filter 1 x Cleaning Brush Only the above package content, other products are not included. Note: Light shooting and different displays may cause the color of the item in a little different from the real thing. The measurement allowed error is +/- 1-3 cm.