The ornamental design for an externalself-contained water filter with direct mounting, as shown and described.
FIG. 1 is a top perspective view of an external self-contained water filter with direct mounting showing my new design;
FIG. 2 is a bottom perspective view thereof;
FIG. 3 is a front elevated view thereof;
FIG. 4 is a rear elevated view thereof;
FIG. 5 is an enlarged top plan view thereof;
FIG. 6 is an enlarged bottom plan view thereof;
FIG. 7 is a right elevated view thereof; and,
FIG. 8 is a left elevated view thereof.
The broken lines showing of a mount in FIG. 1-8, and the broken lines showing of an orifice in FIG. 1-2 and FIG. 5-6 are included for the purpose of showing environmental structure and form no part of the claimed design.