The ornamental design for a vanunit, substantially as shown and described.
FIG. 1 is a side elevational view of a van unit showing my new design, it
being understood that the broken lines are for illustrative purposes only;
FIG. 2 is a rear elevational view thereof;
The side of the van unit opposite to that shown in FIG. 1 is a mirror image
thereof and the top of the unit is understood to be plain and unornamented
while the front of said unit is open.