Air purification device

Description

FIG. 1 is a front view of the air purification device showing the claimed design;

FIG. 2 is a rear view of the air purification device showing the claimed design;

FIG. 3 is a right side view of the air purification device showing the claimed design;

FIG. 4 is a left side view of the air purification device showing the claimed design;

FIG. 5 is a top view of the air purification device showing the claimed design;

FIG. 6 is a bottom view of the air purification device showing the claimed design; and,

FIG. 7 is a front perspective view of the claimed design.

The broken lines in the Figures show portions of the air purification device, which form no part of the claimed design.

Claims

We claim the ornamental design for an air purification device, as shown and described.