Filter

The invention discloses a filter, which belongs to the technical field of manufacturing of water supply apparatuses. The filter comprises a PVC shell, wherein the upper part of the PVC shell is provided with an opening, the bottom part of the PVC shell is provided with a water outlet, the outer side of the upper part of the PVC shell is connected with a lower fixed part, a stainless steel wire filter cylinder is arranged in the shell, the water inlet part of the filter cylinder is connected with an upper fixed part, the upper fixed part is in threaded connection with the lower fixed part, a replaceable disposable non-woven fabric filter bag is arranged in the filter cylinder, the water inlet part of the filter bag sleeves the outer wall of a lower snapping member which is provided with a snapping groove, the snapping groove of the lower snapping member is in movable connection with the bayonet lock of an upper snapping member, the water inlet part of the upper snapping member has a flange, and the flange is arranged on a corresponding bearing table of the upper fixed part in the manner of pressure welding. The filter can overcome the probable problems of blockage in drainage pipelines, difficult cleaning and influence on other apparatuses caused by accumulation of dirt during usage of a washing container.