The ornamental design for a pumpcartridge, as shown.
FIG. 1 is a perspective view of a pump cartridge embodying our design.
FIG. 2 is a front side elevational view thereof.
FIG. 3 is a rear side elevational view thereof.
FIG. 4 is a left side elevational view thereof.
FIG. 5 is a right side elevational view thereof.
FIG. 6 is a top plan view thereof; and,
FIG. 7 is a bottom plan view thereof.
The broken lines throughout the drawings are included for the purpose of illustrating portions of the pump cartridge that form no part of the claimed design.