Three dimensional filter frame

FIG. 1 is a perspective view of showing the new design for a three dimensional filter frame.

FIG. 2 is a top view thereof;

FIG. 3 is a front side view thereof, the back side view being the same;

FIG. 4 is a right side view thereof, the left side view being the same; and,

FIG. 5 is a bottom view thereof.

In the drawings, the broken lines depict unclaimed portions of the three dimensional filter frame. The dot and dashed lines represent a boundary between the claimed and the non-claimed portions and form no part of the claimed design.