Air purifier

FIG. 1 is a front view of an air purifier showing the new design;

FIG. 2 is a back view thereof;

FIG. 3 is a left side view thereof;

FIG. 4 is a right side view thereof;

FIG. 5 is a top view thereof;

FIG. 6 is a bottom view thereof;

FIG. 7 is a front, left side, top perspective view thereof;

FIG. 8 is a back, left side, top perspective view thereof;

FIG. 9 is a front, right side, bottom perspective view thereof;

FIG. 10 is a front view of the upper part of the air purifier of FIG. 1 , shown in isolation for clarity of disclosure;

FIG. 11 is a back view thereof;

FIG. 12 is a left side view thereof;

FIG. 13 is a right side view thereof;

FIG. 14 is a top view thereof;

FIG. 15 is a bottom view thereof;

FIG. 16 is a back, right side, bottom perspective view thereof;

FIG. 17 is a front, right side, top perspective view thereof;

FIG. 18 is a front view of the lower part of the air purifier of FIG. 1 , shown in isolation for clarity of disclosure;

FIG. 19 is a back view thereof;

FIG. 20 is a left side view thereof;

FIG. 21 is a right side view thereof;

FIG. 22 is a top view thereof;

FIG. 23 is a bottom view thereof; and,

FIG. 24 is a perspective view thereof.

The broken lines shown in the drawings illustrate portions of the air purifier and form no part of the claimed design.