Air purification device

FIG. 1 is a front, side perspective view of an air purification device;

FIG. 2 is a front, top perspective view thereof;

FIG. 3 is a front plan view thereof;

FIG. 4 is a rear plan view thereof;

FIG. 5 is a top plan view thereof, the bottom plan view being a mirror image;

FIG. 6 is a left side elevational view thereof, the right side elevational view being a mirror image;

FIG. 7 is an exploded front perspective view thereof; and,

FIG. 8 is a partial front plan view thereof, showing the grill detail in the bottom, right corner of FIG. 3 at an enlarged scale.

The broken line showing of buttons and an electrical cord is for the purpose of illustrating environmental structure and forms no part of the claimed design.