Filter for a fuel injection valve, fuel injection valve and method for producing a filter for a fuel injection valve

A filter for a fuel injection valve (100) comprises a filter sleeve (102) formed integrally and consisting of a metal, the filter sleeve (102) comprising: - a first part (103), the first part (103) being designed for being in direct contact with an element (114) of the fuel injection valve (114), - a second part (104), the second part (104) comprising a multitude (106) of filter holes (105) reaching from an outside of the filter sleeve to an inside (113) of the filter sleeve.