US D538158 S1
FIG. 1 is a perspective view of a valve for a tube showing our new design.
FIG. 2 is a front elevational view thereof, the rear view being a mirror image thereof.
FIG. 3 is a side elevational view thereof, the opposite side view being a mirror image thereof.
FIG. 4 is a top plan view thereof; and,
FIG. 5 is a bottom plan view thereof.
The broken lines in the figures show boundaries of the invention and form no part of the claimed design.