The Bathmate Hercules (now known as Hydro 7) is the World's best selling water-based penis pump for male sexual enhancement. Ideal mix of price and performance. The lowest cost quality penis pump on the market. Instant results. 250% more efficient than air pumps.
Benefits of using the Bathmate Hercules / Hydro 7 include:
The Hydro 7 is the ideal sized pump for men starting out with lengths at 5.6" to 7.25" in length. Allowing for gains up to 8.5"
Bathmate Hercules / Hydro 7 size specifications: