Hankscraft Inc. H2O Products has partnered with Bluefilters Group to bring its German engineered water purification products to the U.S. and are proud to introduce their elements Drinking Water Series showcasing the six-stage reverse osmosis (RO) system. This compact, high-quality POU drinking water system features a remineralizing cartridge as the final stage to raise the pH level and improve taste. You can be assured a quality product that produces quality water with an elements RO-6-BF system.