Of all the water purification technologies available, distillation can remove a wider range of impurities than any other single form of water purification. LabStrong Fi-Streem Stills consistently produce high quality ASTM Type II water and can remove inorganic ions, dissolved gases, organics, particles, bacteria and pyrogens from water. LabStrong Fi-Streem Water Stills will meet your laboratory water needs while remaining budget-friendly. The LabStrong Fi-Streem 2S Still consistently produces high quality ASTM Type II water. The still produces four liters of distilled water per hour and comes with a one year limited warranty. Product Features: Consistently Pure Water The still consistently produces high quality ASTM Type II water and can remove inorganic ions, dissolved gases, organics, particles, bacteria and pyrogens from water.