US D429330 S
Abstract available in
FIG. 1 is a front view of the positive and expiratory pressure (peep) valve;
FIG. 2 is a top view thereof;
FIG. 3 is a bottom view thereof;
FIG. 4 is a left side elevational view thereof taken from FIG. 1 (the right side elevational view is a mirror image of FIG. 4);
FIG. 5 is a rear view thereof; and,
FIG. 6 is a perspective view thereof.