FIG. 1 is an isometric view of a top, front, and right side of an ornamental design for an air fragrance housing;

FIG. 2 is a front elevational view of the housing of FIG. 1;

FIG. 3 is a rear elevational view of the housing of FIG. 1;

FIG. 4 is a left side elevational view of the housing of FIG. 1;

FIG. 5 is a right side elevational view of the housing of FIG. 1;

FIG. 6 is a top plan view of the housing of FIG. 1; and,

FIG. 7 is a bottom plan view of the housing of FIG. 1.

The subject matter shown in dashed lines is for illustrative purposes only and forms no part of the claimed invention.