ULTIMATE PURITY HAHN AquaH2O™ delivers the best drinking water available for optimal hydration. AquaH2O™ is the first reverse osmosis system of its kind to pair powerful reverse osmosis filtration with AquaFree™ selective filtration PLUS remineralization. Remove the most contaminants from your water while maintaining the benefits of healthy minerals other reverse osmosis systems simply remove. REVERSE OSMOSIS Reduces 14 impurities including fluoride, nitrates, nitrites, lead, radium and arsenic. SELECTIVE AQUAFREE™ FILTRATION Reduces 60 contaminants including chlorine, chloramines, heavy metals, pesticides, and herbicides. REMINERALIZATION Designed to provide healthy amounts of calcium, magnesium and potassium for optimally alkaline, pH balanced water. NSF CERTIFIED Includes NSF/ANSI Standards 42, 53 & 58. 2-Year RO Membrane Life 1-Year Remineralizer Life 6-Month Carbon / AquaFree™ Filter Life 2-Year Warranty 90-Day Guarantee PERFORMANCE AND SPECIFICATIONS Model HF-RO3-R Replacement For HF-RO Rated Capacity 6 Months