AQUATICLIFE 4-Stage Reverse Osmosis Water Filtration Deionization System, RO/DI Filter Unit 100 GPD Price: $154.11 (as of 01/10/2022 21:16 PST- Details)

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PROVIDES REVERSE OSMOSIS FILTERED WATER – AquaticLife 4-stage reverse osmosis deionization filtration system reduces salt, calcium, and other metallic ions from water leaving you with clean, clear water for residential use.
REDUCES TDS TO ZERO – The RO Membrane Filter 100 GPD effectively removes up to 98 percent of the Total Dissolved Solids (TDS) in water. The remaining TDS is removed by the Resin.