
penis pump evolution
For those new to using a water-based penis pump, the Hydro Series is ideal. As the world’s first water-based pump, it offers excellent value and long-lasting results. The Hydro 7 pump uses moderate, gentle pressure, making it suitable for beginning exercise and increasing size.
Currently, the manufacturer only offers one size in this series, the Hydro 7, which meets the needs of most users, especially beginners. It is available in three colors and is best suited for penises measuring between 13 and 19 cm (5 – 7 inches) when fully erect.

Or do you want stronger pressure? The Hydromax series comes with 35% stronger pressure than this series.


The Hydro 7 pump comes with a 60-day, no-questions-asked satisfaction guarantee! This policy is the manufacturer’s way of eliminating any doubt about the Hydro 7 pump’s benefits for you. Try the HYDRO 7 pump for 60 days and experience the results for yourself risk-free.
This guarantee means that once you purchase the pump, you can return it within 60 days for a full refund if you are completely dissatisfied for any reason. The manufacturer offers this guarantee for one reason: Hydro 7 delivers real results. See noticeable results within about a month of regular use. This guarantee applies once per purchase to prevent abuse of the refund policy.
