The ornamental design for a neck and head of a housing for a free-standing evaporative cooling unit, as shown and described.
FIG. 1 is a front elevational view of a neck and head of a housing for a free-standing evaporative cooling unit showing our new design;
FIG. 2 is a right side elevational view thereof;
FIG. 3 is a left side elevational view thereof;
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a top, front and right side perspective view thereof; and,
FIG. 6 is a bottom, rear, and left side perspective view thereof.
The broken-line disclosure in the views is understood to represent portions of the housing which are not part of the claimed design. Where broken-lines abut claimed surfaces, which are shown with surface shading, those broken-lines are understood to represent unclaimed boundaries or edges.