FIG. 1 is a perspective view of a pump showing my new design;
FIG. 2 is a front elevational view;
FIG. 3 is a side elevational view;
FIG. 4 is a rear elevational view;
FIG. 5 is a side elevational view showing the side opposite that shown in FIG. 3;
FIG. 6 is a top plan view; and,
FIG. 7 is a bottom plan view.
The broken lines shown are for illustrative purposes only and form no part of the claimed design.