The Bathmate X30 Hydromax Medium Hydrotherapy penis pump is designed to boost your size and your confidence. This pump uses water pressure for a workout, giving you a permanently larger erection. The X30 penis pump delivers 35% more suction than the Bathmate Hercules and delivers quicker and more effective results with regular use. The X30 fits men with an erect length of under 19 cm and 12 cm in girth. It has an internal length of 25 cm. This water driven penis pump is 250 times more powerful than a standard air pump and you can use it in the bath or shower. 60 Days of repeat use earns you a wider girth and a healthier penis.