The Hydra-Max dechlorination system is a lightweight, easily transported device that provides reliable removal of chlorine from pressurized water flows. The system is constructed of 6061-T6 high strength, aircraft grade aluminum for maximum strength and durability with no electro-mechanical components. The Hydra-Max system is equipped with threaded 3″ MNPT inlet & outlet. For 2.5″ inlet plus an elbow outlet, get the Hydra-Max Accessories Pack. An engineered alternative to bulky and ineffective diffusers, the Hydra-Max system combines superior performance with portable convenience and operational ease.