Waterdrop WD-RF17 Water Filter, Individuals 17UA Under Sink Water Filtration System, 3 Years Ultra Long Lifetime

Please note that this Undersink Water 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.