Pentair Sta-Rite PKG-1-4SD Jet Packages For Shallow Well, Or Deep Well W/ 4" Or Larger Well CasingShallow Well and 4" (or larger) Deep Well Jet Packages are designed to work with specific Sta Rite convertible, deep well jet pumps. These packages are required in order to "complete" a convertible jet pump so that it functions properly in the given application. KEY FEATURES Bolts to nose of pump for shallow well applications Hangs on two drop pipes for deep well applications Tough construction Kit contains ejector body, gasket, bolts, nozzle, venturi