Exquisite and delicate, perfectly matched with the equipment. The diameter of the roller brush is 45cm, which is only suitable for 4-pin inner fitting (not suitable for 3-pin heads). Check clearly before buying, please don’t buy the wrong product. Strong and durable, long service life. Easily removes dirt, dust and litter from corners and sides, especially your hair and pet hair. Does not damage floors and furniture and ensures quiet operation. Contents: 1 brush roll