FIG. 1 is a top, right, front perspective view of a pump showing my new design;
FIG. 2 is a bottom, right, rear perspective view thereof;
FIG. 3 is a top, left, rear perspective view thereof;
FIG. 4 is a top plan view thereof;
FIG. 5 is a bottom plan view thereof;
FIG. 6 is a left side elevation view thereof;
FIG. 7 is a right side elevation view thereof;
FIG. 8 is a rear elevation view thereof; and,
FIG. 9 is a front elevation view thereof.
The broken line showing is for the purpose of illustrating portions of the pump and forms no part of the claimed design.