Waterdrop WD-RF15-UF Water Filter, Replacement 15UA-UF Under Sink Water Filtration System, 0.01 Micron, 16000 Gallons High Capacity

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.