Air purifier

Description

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

Fig. 2 is a front view thereof;

Fig. 3 is a back view thereof;

Fig. 4 is a left view thereof;

Fig. 5 is a right view thereof;

Fig. 6 is a top view thereof; and

Fig. 7 is a bottom view thereof.

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

Claims

The ornamental design for an air purifier as shown and described.