Bathmate HydroXtreme 915% larger than the X30 Xtreme! 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. Xtreme Hydropump Carry case Measuring gauge Cleaning sponge Handball pump Comfort insert pad