Refrigerator Filter

FIG. 1 is a front, left and top perspective view of a refrigerator filter, showing our design.

FIG. 2 is a rear, right and bottom perspective view thereof.

FIG. 3 is a front view thereof;

FIG. 4 is a rear view thereof;

FIG. 5 is a left side view thereof;

FIG. 6 is a right side view thereof;

FIG. 7 is a top view thereof; and,

FIG. 8 is a bottom view thereof.

The broken lines in the drawings illustrate the refrigerator filter, which form no part of the claimed design.