For displacement of any kind of liquids, gels, pastes and granules or for analytics or sensing with ultrapure H2, VARTA's Hydrogen gas generating cells are the right choice... For displacement of any kind of liquids, gels, pastes and granules or for analytics or sensing with ultrapure H2, VARTA's Hydrogen gas generating cells are the right choice. Easy to use and portable, as without any energy source, you get 130 ml, 260 ml or more ultrapure H2 at high back pressure. If you are looking for innovative application designs in the industrial, medical, automotive, maritime, aeronautics, meteorology or agriculture field with energy independent solutions moving forward something with H2 you can rely on VARTA's small Hydrogen gas generating cells.