US D548824 S1
FIG. 1 is a front perspective view of an air purifier, showing my new design;
FIG. 2 is a rear perspective view thereof;
FIG. 3 is a front view thereof;
FIG. 4 is a rear view thereof;
FIG. 5 is a left side view thereof.
FIG. 6 is a top view thereof; and,
FIG. 7 is a bottom view thereof.
A right side view is a mirror image of the left side view shown in FIG. 5, and thus omitted.
The portions shown in broken lines in FIGS. 1-7 are for illustrative purposes only and form no part of the claimed design.