Nasal Mask

FIG. 1 is a perspective view showing a nasal mask design;

FIG. 2 is a front elevational view thereof;

FIG. 3 is a rear elevational view thereof;

FIG. 4 is a right side elevational view thereof;

FIG. 5 is a left side elevational view thereof;

FIG. 6 is a top plan view thereof; and,

FIG. 7 is a bottom view thereof.

The dash-dash broken lines depict portions of the nasal mask that form no part of the claimed design. The dot-dashed lines represent a boundary line that, and the surface area within, form no part of the claimed design.