LED-based light tube

FIG. 1 is a perspective view of a LED based light tube showing our new design, with the broken line showing of the tube portion is included for the purpose of illustrating only and forms no part of the claimed design;

FIG. 2 is an enlarged perspective view thereof, with the center portion of the tube broken away to indicate indeterminate length;

FIG. 3 is a side elevational view thereof;

FIG. 4 is an opposite side elevational view thereof;

FIG. 5 is an end elevational view thereof;

FIG. 6 is an opposite end elevational view thereof;

FIG. 7 is a top plan view thereof; and,

FIG. 8 is a bottom plan view thereof.

The shade lines show contour and not surface ornamentation. The broken lines are environmental and form no part of the claimed design.