FIG. 1 is a perspective view of a respirator head harness showing our new design;

FIG. 2 is a top view thereof;

FIG. 3 is a bottom view thereof;

FIG. 4 is a left side view thereof, the right side view being a mirror image of the left side view;

FIG. 5 is a front view thereof, and;

FIG. 6 is a rear view thereof.

The broken line showing is included for the purpose of illustrating environment and forms no part of the claimed design.