US D298453 S
FIG. 1 is a top perspective view of an air ventilation unit for a van showing my new design;
FIG. 2 is a front elevational view thereof, the rear being substantially a mirror image;
FIG. 3 is a side elevational view thereof, the side opposite being plain and unornamented; and,
FIG. 4 is a top plan view thereof.
The broken-line showing of portions of a van are for illustrative purposes only and form no part of the claimed design.