FIG. 1 is a top front right perspective view of a first embodiment of an outer filter element showing the new design;
FIG. 2 is a top front right perspective view of the outer filter element with an inner filter element of the filter being removed or inserted from the outer filter element thereof;
FIG. 3 is a bottom rear left perspective view thereof;
FIG. 4 is a front elevational view thereof;
FIG. 5 is a rear elevational view thereof;
FIG. 6 is a left elevational view thereof;
FIG. 7 is a right elevational view thereof;
FIG. 8 is a top plan view thereof;
FIG. 9 is a bottom plan view thereof;
FIG. 10 is a top front right perspective view of the outer filter element of FIG. 1, shown in a second embodiment;
FIG. 11 is a top front right perspective view of the outer filter element with an inner filter element of the filter being removed or inserted from the outer filter element thereof;
FIG. 12 is a bottom rear left perspective view thereof;
FIG. 13 is a front elevational view thereof;
FIG. 14 is a rear elevational view thereof;
FIG. 15 is a left elevational view thereof;
FIG. 16 is a right elevational view thereof;
FIG. 17 is a top plan view thereof; and,
FIG. 18 is a bottom plan view thereof.
The broken lines shown in the drawings depict portions of the outer filter element that form no part of the claimed design.