The WaterBeast reservoir delivers a hydration system more than 30-percent stronger than any standard hydration unit on the market, providing more rugged and durable systems that deliver mission flexibility for any duration, environment or engagement. The reservoir features CamelBak's antimicrobial protection to keep water free of bacteria and fungi. By using a permanently embedded silver-ion treatment, CamelBak eliminates 99.99 percent of common bacteria and fungus that can accumulate on unprotected reservoir and tube surfaces.