Extrusion for LED based lighting apparatus

FIG. 1
is a bottom perspective view of the extrusion for LED based lighting apparatus, showing the new design;


FIG. 2
is a top perspective view thereof;


FIG. 3
is a front view thereof;


FIG. 4
is a top view thereof;


FIG. 5
is rear view thereof; and,


FIG. 6
is a side view thereof.

The uniformly dashed lines shown in the drawings illustrate portions of the extrusion for LED based lighting apparatus which form no part of the claimed design.