FIG. 1 is a front view of an air pump, showing my new design;
FIG. 2 is a rear view thereof;
FIG. 3 is a left side view thereof;
FIG. 4 is a right side view thereof;
FIG. 5 is a top view thereof;
FIG. 6 is a bottom view thereof;
FIG. 7 is a top perspective view thereof;
FIG. 8 is a front perspective view thereof;
FIG. 9 is a bottom perspective view thereof;
FIG. 10 is a front perspective view, shown with an unclaimed attachment;
FIG. 11 is a front perspective view, shown with an unclaimed attachment;
FIG. 12 is a front perspective view, shown with an unclaimed attachment;
FIG. 13 is a front perspective view, shown with an unclaimed attachment;
FIG. 14 is a front perspective view, shown with an unclaimed attachment; and,
FIG. 15 is a front perspective view, shown with an unclaimed attachment.
The broken lines in the drawings represent unclaimed environmental subject matter that forms no part of the claimed design.