• ALUMINIUM CYLINDER HEAD AND CAST IRON CYLINDER – Gives added resistance to wear for improved product life. • 110V – Suitable for on site applications or anywhere that does not have a 230V supply. • TWIN GAUGES – One displays the tank pressure and the other displays the working pressures. • COPPER WOUND MOTOR – Provides longer lasting performance. • FULLY AUTOMATIC PRESSURE CUT-OUT SWITCH – Cuts off the motor automatically when the maximum pressure is reached.