Centerpiece for filter element

FIG. 1 is a perspective view of a first embodiment of a centerpiece for filter element embodying our new design;

FIG. 2 is a right elevational view thereof, the left elevational view being a mirror image thereof;

FIG. 3 is a front elevational view thereof, the rear elevation view being a mirror image thereof;

FIG. 4 is a top plan view thereof;

FIG. 5 is a bottom plan view thereof;

FIG. 6 is a perspective view of a second embodiment of a centerpiece for filter element embodying our new design, the structure being depicted in broken lines forming no part of the design sought to be patented;

FIG. 7 is a right elevational view thereof, the left elevational view being a mirror image thereof;

FIG. 8 is a front elevational view thereof, the rear elevation view being a mirror image thereof;

FIG. 9 is a top plan view thereof;

FIG. 10 is a bottom plan view thereof;

FIG. 11 is a perspective view of a fourth embodiment of a centerpiece for filter element embodying our new design;

FIG. 12 is a right elevational view thereof, the left elevational view being a mirror image thereof;

FIG. 13 is a front elevational view thereof, the rear elevation view being a mirror image thereof;

FIG. 14 is a top plan view thereof; and,

FIG. 15 is a bottom plan view thereof.

The broken line showing of environmental structure is for illustrative purposes only and forms no part of the claimed design.