Water Filter Cartridge Cap

FIG. 1 is a front view of the water filter cartridge cap showing my new design;

FIG. 2 is a side view thereof;

FIG. 3 is a top view thereof;

FIG. 4 is a bottom view thereof;

FIG. 5 is a perspective view thereof from the top; and,

FIG. 6 is a perspective view thereof from the bottom.

The broken line showing of a water filter cartridge is included for the purpose of illustrating environmental structure and forms no part of the claimed design.