Starting with the first and original, the Bathmate Hercules. This was the worlds first water based penis pump which was invented in 2006 and introduced to the United States in 2007. After a decade of great success it has evolved into newer more advanced models, that have increased pressure and more precise control. The newer Hydromax models are available in sizes from 3 inches up to 9 inches when erect.
TheBathmate Hydropump is still the World's Best Selling Penis Pump, used by over 1,000,000 men in 90 countries around the globe.