Anti-curl roller, the roller brush regulates the rotation, prevents hair from tangling. Exquisite and delicate, high quality matted with the finishing. Newly designed anti-winding roller to prevent hair from tangling, making disassembly and assembly easier. Replacement roller brush for Conga 3090 Series Vacuum Cleaner Robots. For best results, spare parts should be replaced every 1 - 3 months. Colour: as shown Material: plastic Size: 195x40mm Package Contents: 3 * Main 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 the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.