One-Touch Smart Panel Adjust water volume from 4oz to MAX for total flexibility — ideal for coffee, tea, or filling bottles and larger containers effortlessly. Purer with 8-Stage Filtration Reduces harmful substances such as TDS, PFOA*, PFOS*, Nitrate*, Fluoride*, Arsenic*, Lead*, Copper*, Turbidity*, Chlorine*, and more.*Tested by a third-party laboratory.