▎ 摘　　要

NOVELTY - The utility model claims a new superfine improved filter material, comprising a base assembly, the base assembly comprises a cover plate and a limiting ring, the upper end face of the cover plate is fixedly connected with a limiting ring, the inner side of the limiting ring is provided with a filter screen, the outer side of the filter screen is sleeved with an active carbon filter piece, the outer side of the active carbon filter piece is sleeved with graphene filter piece, the outer graphene of the filter piece is sleeved with a superfine fibre filter piece, the filter screen, active carbon filter piece, graphene filter element and the ultra-fine fibre filter element are the same, which are provided with a cylindrical cavity structure with opening at the bottom end, the outer part of the superfine fibre filter element is provided with a sealing cover. through the filter screen, active carbon filter element, graphene filter element and ultra-fine fibre filter element is provided with a cylindrical cavity structure of the bottom end opening, it can reduce the occupied space, and the base assembly and the sealing cover are matched with each other, so that it is more convenient to change and install.