Novel filter

The utility model relates to the technical field of filters, in particular to a novel filter, the position of a barrel body on an outlet cover can be adjusted by rotating the barrel body according to actual requirements in the actual use process, so that the adaptability to the use environment in the actual use process can be met, and when a filter element needs to be installed in the filter, the barrel body can be rotated to adjust the position of the barrel body on the outlet cover. In order to better position the filter element, the filter element base is used for positioning the filter element needing to be mounted, and the filter element mounted on the filter element base is pressed by the upper pressing plate of the filter barrel, so that the use stability of the filter element in the filtering process is ensured, and the filter element base is arranged on the filter barrel to better improve the filtering efficiency of the filter element. A plurality of groups of filter elements are arranged in the barr