Air filter

Description

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

FIG. 2 is a right side view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a front view thereof;

FIG. 5 is a rear view thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The present application is directed to the design illustrated in the drawings. The broken line showing of the air filter and indicia are included for the purpose of illustrating portions of the article and form no part of the claimed design. In particular, the indicia on the control panel visible in FIGS. 1 and 6 are illustrated in broken lines and form no part of the claimed design.

Claims

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