Air filter

Description

FIG. 1 is a front perspective view of an air filter, showing my new design;

FIG. 2 is a rear 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;

FIG. 8 is a bottom view thereof; and,

FIG. 9 is an enlarged detail view of area 9 in FIG. 2.

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

The dash-dot-dash broken lines encircling the enlarged views are for annotative purposes only and form no part of the claim thereof.

Claims

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