Air filter

Description

FIG. 1 is a rear-right perspective view of an air filter showing our new design;

FIG. 2 is a front-left perspective view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a right view, the left side view being a mirror image thereof; and,

FIG. 6 is a top view, the bottom view being a mirror image thereof.

The broken lines in the figures are included for the purpose of illustrating portions of the air filter and do not form any part of the claimed design.

Claims

The ornamental design for an air filter as shown and described.