Air Cleaning Device

FIG. 1 is a bottom view of the air cleaning device, showing the design;

FIG. 2 is a perspective view thereof;

FIG. 3 is a top front view thereof;

FIG. 4 is a bottom perspective view thereof; and

FIG. 5 is a side view thereof;

FIG. 6 is a side view thereof;

FIG. 7 is a bottom perspective view thereof;

FIG. 8 is a back view thereof;

FIG. 9 is a top perspective view thereof;

FIG. 10 is a front view thereof; and,

FIG. 11 is a bottom view thereof.

The portions of the air cleaning device shown in broken lines form no part of the claimed design.