Air filter

Description

FIG. 1 is a top rear/left perspective view of an air filter;

FIG. 2 is a top plan view thereof;

FIG. 3 is a bottom plan view thereof;

FIG. 4 is a front elevation view thereof;

FIG. 5 is a rear elevation view thereof;

FIG. 6 is a right side elevation view thereof;

FIG. 7 is a left side elevation view thereof; and,

FIG. 8 is a bottom front/right perspective view thereof.

The dash-dash broken lines shown in the figures are for the purpose of illustrating portions of the air filter and form no part of the claimed design. The dash-dot broken lines represent break lines where the appearance of any portion of the air filter between the break lines forms no part of the claimed design.

Claims

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