Hydromax 9 Brilliant Red from Bathmate Penis Pump. The Hydromax Series (formerly Hydromax X-series) is the next stage of Hydro Pump evolution. Developing the innovative Bathmate, the new bellows pump and valve give 35% more power than the original Hydro7 with more safety and comfort. 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.