Each stage is effectively a pump in its own right allowing you to reach higher pressures easier and typically all driven by the same motor.
Inches.
Inches.
Am I the only one who doesn't get this?
[SKR]Phoenix;16411464 said:LOL, even funnier!
Riiiiiiiiiiiiiiiight. Maybe he is referring to the kind of pumps he uses to enhance the length of a certain organ, unique to males.
 
	