Air Filter Cartridge

FIG. 1 is a front elevation view of an air filter cartridge showing my design;

FIG. 2 is a rear elevation view thereof;

FIG. 3 is a left side elevation view thereof;

FIG. 4 is a right side elevation view thereof;

FIG. 5 is a top plan view thereof;

FIG. 6 is a bottom plan view thereof;

FIG. 7 is a perspective view thereof;

FIG. 8 is another perspective view thereof; and,

FIG. 9 is a cross-sectional view along line 9 - 9 in FIG. 7 .

The broken lines in the drawing depict portions of the air filter cartridge that form no part of the claimed design.