The Bathmate Hercules is the first water based penis pump introduced to the world over 5 years ago. Used by tens of thousands of men with a 95% success rate, the Bathmate Hercules is designed for men of average size looking for a penis pump that delivers results.
Designed for use in the shower or bath. The Bathmate provides: 95% success rate. Instant visible results. 250% more efficient than air pumps. Specifications (allowing for penis size gains) when fully compressed: maximum penis diameter 1.81 inches. Maximum penis length 7.08 inches.