Air Purification Device

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.