Formerly known as the Hercules, the Hydro7 is our original, best-selling penis pump. With its revolutionary design and impressive results, it`s no wonder that this pump is used in over 120 countries by thousands of men. If you`re looking for an easy-to-use penis pump that allows for enlarged girth and length, opt for the Hydro7. This is a great pump for beginners and a safe and convenient way to practice penile rigidity exercises. Whether you need help with erectile dysfunction, more confidence in bed or a bigger penis, the Hydro7 harnesses the power of water and vacuum to give you the desired results.