Product display unit

FIG. 1 is a top front perspective view of a product display unit showing the claimed design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof;

FIG. 5 is a right side view thereof;

FIG. 6 is a top view thereof;

FIG. 7 is a bottom view thereof; and,

FIG. 8 is a top front perspective view thereof showing the claimed design in an environment in which it may be used.

The dashed broken lines in the figures show portions of the product display unit or environment that form no part of the claimed design.

The dot-dash broken lines in the figures show boundaries that form no part of the claimed design.