Improved filtering assembly

The modified filtering assembly comprises a base, an upper cover and a filtering inner core, the base comprises an outer bottom plate and an outer groove wall, one end of the outer groove wall is connected with the outer bottom plate, and the outer groove wall and the outer bottom plate form a mounting groove capable of containing the upper cover; the upper cover comprises an inner bottom plate and an inner groove wall, and one end of the inner groove wall is connected with the inner bottom plate to form a mounting groove capable of accommodating the filter inner core; the filter inner core is mounted in the mounting groove of the upper cover, and the upper cover is mounted in the mounting groove of the base and is clamped with the outer groove wall of the base. The filter assembly is simple in structure and reasonable in design, the outer protruding edge of the base is fully bonded with the outer wall of a space needing to be purified, the filter assembly can be easily and additionally installed, application