Hydromax 3 Penis Pump from Bathmate Pumps. The first ever micro penis pump Hydromax 3. Looking for a real, proven way to enhance penis size? Up until now, there has been very few options for those affected by micro penis, we are proud to be releasing Hydromax 3, the first pump designed to add size, improve hardness, and vastly boost personal confidence. Ideal for anyone measuring up to 3 inches when erect, Bathmate Hydromax 3 uses water power to significantly increase size. Ready for a real change? We guarantee satisfaction (or a complete refund) within 60 days! Benefits: proven, long lasting improvements for penis length and girth. Better erections and sexual stamina. 92% of users completely satisfied. Fits sizes 1 inch to 3 inches. Certified skin safe. Super flow latch valve.