FIG. 1 is a front perspective view of an example of a housing portion of a self-inflating tire air regulator according to the present disclosure;
FIG. 2 is a top view of the example of FIG. 1;
FIG. 3 is a bottom view of the example of FIG. 1;
FIG. 4 is a front view of the example of FIG. 1;
FIG. 5 is a rear view of the example of FIG. 1;
FIG. 6 is a right side view of the example of FIG. 1; and,
FIG. 7 is a left side view of the example of FIG. 1.
The dashed lines form no part of the claimed design.