Precise filter element

The utility model provides a precise filter element which comprises an upper cover, a lower cover and a grid sleeve, a filter outer element and a filter inner element are arranged in the grid sleeve,the filter outer element comprises an activated carbon filter element and a KDF filter element, the filter inner element comprises a connecting pipe head and a metal string bag, a cotton filter element and activated carbon beads are arranged in the metal string bag, and the precise filter element is connected with a front filter head and provided with an antibacterial block. The fluid filter is reasonable in structure and convenient to use, large particles, fibers and the like in fluid can be effectively filtered through the arranged filtering outer core and the arranged filtering inner core,the effects of removing chlorine, removing heavy metal, inhibiting microorganisms, adsorbing tiny particles and the like are achieved, the filtering effect is extremely good, the filtering strength ofthe filtering inner core c