The Hydromax series is the next stage of Hydro Pump evolution. Developing the innovative

Bathmate, the new bellows pump and valve give 35% more power for even greater gains with more safety and comfort.

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Bathmate Size Guide

Get the best possible results from your workout. This Bathmate size guide shows you the minimum and maximum lengths and girths for each pump size. If you pick a pump that's too big, you won't get the right amount of pressure. A pump that's too small can be uncomfortable.