Silencer housing for sleep breathing-treatment device

FIG. 1 is a perspective view of a silencer housing for sleep breathing-treatment device showing our new design;

FIG. 2 is a front view thereof;

FIG. 3 is a rear view thereof;

FIG. 4 is a left side view thereof, the right side view being the same as the left side view;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof; and,

FIG. 7 is another perspective view thereof.

The broken lines depict portions of the silencer housing for sleep breathing treatment device that form no part of the claimed design.