US D286213 S
Abstract available in
FIG. 1 is a front elevational view of the dual filter respirator embodying our new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a side view thereof, the opposite side being of substantially the same appearance;
FIG. 4 is a top plan view thereof; and
FIG. 5 is a bottom plan view thereof.