Water Filter

FIG. 1 is a first perspective view of a water filter showing the design; FIG. 2 is a second perspective view thereof; FIG. 3 is a third perspective view thereof; FIG. 4 is a first side view thereof; FIG. 5 is a second side view thereof; FIG. 6 is a top view thereof; and, FIG. 7 is a bottom view thereof. Broken lines shown in the drawings illustrate portions of the article and form no part of the claimed design.