Filter for an Engine

FIG. 1 is a perspective view of a filter for an engine showing our new design;

FIG. 2 is a front view thereof, a rear view thereof being a mirror image, and the left side view and right side view thereof being the same as the front and rear views, respectively;

FIG. 3 is a top view thereof; and,

FIG. 4 is a bottom view thereof.

The dashed broken lines depict portions of the filter for an engine which form no part of the claimed design.