and high quality!Made of high-quality materials, more durable Exquisite and delicate, highly matched with the equipment.Solid and durable, long service life Easy to effectively remove dirt, dust and trash from corners and sides, especially your hair and pet hair.Does not damage floor and furniture and ensures quiet operation High-density soft brush hair, suitable for hard floors such as wooden floors, marble, ceramic tiles, etc This replacement roller brush suitable for double brush floor washer Specifications: Compatible with model: Z9, Z9Pro, Z9Pro-u1, E9, Z10 Material: Plastic+Nylon colour: Grey Package Contents: 1 pairs Roller 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.