Filter

The ornamental design for a filter, as shown.

FIG. 1 is a perspective view obliquely from the rear of an embodiment of a filter, showing my new design;

FIG. 2 is a perspective view obliquely from the front thereof;

FIG. 3 is a top/bottom view thereof;

FIG. 4 is a side view thereof;

FIG. 5 is a rear view thereof; and,

FIG. 6 is a front view thereof.

Patent	Priority	Assignee	Title
9205359,	Oct 09 2012	W L GORE & ASSOCIATES, INC	V-panel filters
20090193773,
20110289894,
D677370,	Jun 23 2010	Donaldson Company, Inc	Filter element having wavy appearance

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