FIG. 1 shows a perspective view of the wick structure;
FIG. 2 shows a front elevation view thereof, with it being understood that the rear elevation view is identical hereto;
FIG. 3 shows a right side elevation view thereof, with it being understood that the left side view is identical hereto; and,
FIG. 4 shows a top plan view thereof with it being understood that the bottom plan view is identical hereto.