A filter device, especially intended for incorporation into a fluid reservoir tank, having at least one, preferably exchangeable, filter element (18) having element material (20) through which a fluid can flow from the inside outward, viewed in radial direction, and which is encompassed by a support tube (36) winch has passage orifices and is surrounded, in each case with retention of a definable radial distance and with formation of a fluid flow space, by a housing wall of a housing having a plurality of passage sites, is characterized in that at least some of the passage orifices in the support tube (36) of the filter element (18) have a flow-directing device (80) which flow direction other than the radial flow direction to the fluid.