Liquiddrop WD-RF17 Filter; Replacement 17UA Under Sink Filtration System; 3 Years Ultra Long Lifetime

Please note that this Undersink Filter cannot reduce TDS. TDS stands for total dissolved solids. It is composed of inorganic salts and a small amount of organic matter. This undersink filter cannot lower the TDS value because it removes harmful substances while retaining minerals such as potassium; calcium; sodium; and magnesium; which are beneficial for your health.