Air Purification and Sterilization Unit

FIG. 1 illustrates a perspective view of an air purification and sterilization unit showing the new design;

FIG. 2 illustrates a front elevation view thereof;

FIG. 3 illustrates a rear elevation view thereof;

FIG. 4 illustrates a top plan view thereof;

FIG. 5 illustrates a bottom plan view thereof;

FIG. 6 illustrates a right side elevation view thereof;

FIG. 7 illustrates a left side elevation view thereof;

FIG. 8 illustrates a perspective view of another embodiment of an air purification and sterilization unit showing the new design;

FIG. 9 illustrates a front elevation view thereof;

FIG. 10 illustrates a rear elevation view thereof;

FIG. 11 illustrates a top plan view thereof;

FIG. 12 illustrates a bottom plan view thereof;

FIG. 13 illustrates a right side elevation view thereof; and,

FIG. 14 illustrates a left side elevation view thereof.

The broken lines and unshaded areas depict portions of the air purification and sterilization device that form no part of the claimed design.