Pedrollo Pumps self priming shallow well jet pumps come in cast iron or stainless steel construction. Cast iron jet pumps have 1/2 HP, 3/4 HP, 1 HP and 1-1/2 HP motors in 115 volts or 230 volts. Capacities are from 12 GPM to 40 GPM. The stainless steel jet pumps have 1/2 HP, 3/4 HP and 1 HP motors in 115 volts or 230 volts. Capacities from 10.5 GPM to 18 GPM. Shallow well jet pumps include jet pump with integral shallow well adapter, electric motor, pressure gauge and pressure switch.