We claim the ornamental design for a “handle end of filter cartridge,” as shown and described.
FIG. 1 is a front view of a first handle end of a filter cartridge according to the present invention;
FIG. 2 is a back view of a first handle end of a filter cartridge according to the present invention;
FIG. 3 is a left-side view of a first handle end of a filter cartridge according to the present invention;
FIG. 4 is a right-side view of a first handle end of a filter cartridge according to the present invention;
FIG. 5 is a bottom view of a first handle end of a filter cartridge according to the present invention;
FIG. 6 is a downward perspective view of a first handle end of a filter cartridge according to the present invention; and,
FIG. 7 is an upward perspective view of a first handle end of a filter cartridge according to the present invention, rotated 90° with respect to the orientation of FIG. 6.
The broken line shown is included for illustration purposes and forms no part of the claimed design.