FIG. 1 is a front/left/top perspective view of a pump (a front/right/top perspective view would be a mirror image thereof);
FIG. 2 is a rear/left/top perspective view thereof (a rear/right/top perspective view being a mirror image thereof);
FIG. 3 is a rear/right/bottom perspective view thereof (a rear/left/bottom perspective view being a mirror image thereof);
FIG. 4 is a rear elevational view thereof;
FIG. 5 is a left side elevational view thereof; and,
FIG. 6 is a top plan view thereof.
The dash-dot broken lines and the uniformly broken lines adjacent contour lines show the bounds of the invention and form no part of the claimed design. The other uniformly broken lines show portions of the pump that form no part of the claimed design. The circular shade lines in the transparent region show shape and form of the pump.