Bathmate Hydroextreme 9 Crystal Clear Penis Pump. Advancing Hydropump design to a new level, with a new valve and detachable handball, the HydroXtreme is the Hydropump for the man who is serious about getting the very best from his pump. HydroXtreme comes complete with all the accessories you could ask for. The ultimate Hydropump for ultimate experience. All Bathmate Hydropump products are manufactured from specially selected phthalate free, skin safe and medical grade materials, and each range has undergone a custom designed dermatological testing study undertaken by a world renowned specialist Clinic. Aspen Clinical Research have conclusively passed our Hydropumps as Clinically proven to be safe for use on the genital area. You can be assured that Bathmate Hydropumps are safe to use.