Not sure which Jet Pump to purchase?

ES05S Shallow Well Jet Pump
ESO5S 1/2 HP Premium cast iron shallow well jet pump

ES07S Shallow Well Jet Pump
ES07S 3/4 HP Premium cast iron shallow well jet pump

JHU03S Shallow Well Jet Pump
JHU03S 1/3 HP high-volume cast iron shallow well jet pump

JHU10S Shallow Well Jet Pump
JHU10S 1 HP high-volume cast iron shallow well jet pump

JHU15S Shallow Well Jet Pump
JHU15S 1-1/2 HP high-volume cast iron shallow well jet pump

SJ05S Shallow Well Jet Pump
SJ05S 1/2 HP economy cast iron shallow well jet pump

SJ07S Shallow Well Jet Pump
SJ07S 3/4 HP Economy cast iron shallow well jet pump

SJ10S Shallow Well Jet Pump
SJ10S 1 HP Economy cast iron shallow well jet pump