Bathmate Hydroxtreme 9 Penis Pump & Accessories SetIntroducting the Xtreme, the latest edition to the Hydromax range. The X40 Xtreme takes your hydrotherapy workout to a new level. It's Bathmates' most powerful pump, has the same unique globally patented design but this pump comes with many additions. A handball pump for that works in water for a more xtreme pumping sensation and maximum gains with the benefit of absolute comfort and control. If your serious about penis enlarging the new Hydromax X30