iSpring Tankless Under Sink Reverse Osmosis System, NSF 58 Certified, 500 GPD, Removes PFAS, Lead, Chlorine, Alkaline Remineralization, w/ 2-Year Replacement Filter Set (Model:RO500AK)

‌Advanced Tankless RO Filtration – The RO500AK under sink reverse osmosis system delivers up to 500 gallons per day, reducing PFAS (PFOA/PFOS), lead, chlorine, fluoride, arsenic, calcium, sodium, and more. 3-Stage High-Efficiency System – Features a composite sediment and carbon block filter, a high-capacity RO membrane, and an alkaline remineralization filter that restores essential minerals for a balanced taste. Space-Saving & Low Waste – Compact tankless design saves under-sink space and operates with an industry-leading 2:1 pure-to-drain ratio, reducing wastewater by up to 400% compared to traditional systems. Smart Monitoring & Easy Maintenance – Built-in filter life indicators and quick-change filter design ensure worry-free maintenance and consistent water quality without complicated steps. F7-RO500AK Filter Set Included – Comes with an up to 2-year replacement filter set (sediment + carbon block + RO membrane + alkaline filter), keeping your system running at peak performance longer.