USD878517S1 - Filter unit - Google Patents

Description

FIG. 1 is a Front elevational view of a filter unit showing my new design;

FIG. 2 is a Rear elevational view thereof;

FIG. 3 is a Left side view thereof;

FIG. 4 is a Right side view thereof;

FIG. 5 is a Top plan view thereof;

FIG. 6 is a Bottom plan view thereof; and,

FIG. 7 is a Perspective view thereof.

The broken lines in the drawing depict portions of the filter unit that form no part of the claimed design.

Claims (1)

CLAIM
1. The ornamental design for a filter unit, as shown and described.

Images