US D407462 S
FIG. 1 is a front perspective view of a water purification unit, showing our new design therefor;
FIG. 2 is a frontal view therefor;
FIG. 3 is a rear view therefor;
FIG. 4 is a side view therefor, showing the left side;
FIG. 5 is a side view therefor, showing the right side;
FIG. 6 is a top plan view therefor; and,
FIG. 7 is a bottom plan view therefor.