Personal respiratory protection device

FIG. 1 is a perspective view, showing the new design for a personal respiratory protection device;

FIG. 2 is a front view thereof;

FIG. 3 is a left side view thereof, the right side being a mirror image of the left side view;

FIG. 4 is a rear view thereof;

FIG. 5 is a top view thereof; and,

FIG. 6 is a bottom view thereof.

The broken line showing forms no part of the claimed design, and any shading is provided to illustrate contour only and is not an indication of texture, gloss, etc.