Filter

FIG. 1 is a front, left and top perspective view of a filter, showing my design.

FIG. 2 is a rear, left and bottom perspective view thereof.

FIG. 3 is a front elevation view thereof.

FIG. 4 is a rear elevation view thereof.

FIG. 5 is a left side elevation view thereof.

FIG. 6 is a right side elevation view thereof.

FIG. 7 is a top plan view thereof.

FIG. 8 is a bottom plan view thereof; and,

FIG. 9 is a cross-sectional view of the filter of FIG. 1 , taken along section line 9 - 9 as depicted in FIG. 3 .

The broken lines shown in the figures are for the purpose of illustrating portions of the filter and form no part of the claimed design.