The ornamental design for a lid for a filtercartridge, as shown and described.
FIG. 1 is a left, front perspective view of a lid for a filter cartridge showing our new design;
FIG. 2 is a front view, wherein the rear view is identical thereto;
FIG. 3 is a left-side view thereof, wherein the right-side view is identical thereto;
FIG. 4 is a top view thereof;
FIG. 5 is a left, front perspective view of the lid for a filter cartridge in a position of use as part of an unclaimed filter cartridge;
FIG. 6 is a front view thereof;
FIG. 7 is a rear view thereof:
FIG. 8 is a left view thereof;
FIG. 9 is a right view thereof; and,
FIG. 10 is a top view thereof.
The broken lines at the bottom of the article in FIGS. 5-10 depict the environmental structure of a filter that forms no part of the claimed design. All other broken lines in the figures depict portions of the lid for a filter cartridge that form no part of the claimed design.