A.O. Smith 4-stage Carbon Block Reverse Osmosis Filtration System

First reverse osmosis system to combine reverse osmosis, advanced Claryum® selective filtration and remineralization Maximum filtration—reverse osmosis reduces up to 99% of 88 harmful contaminants including lead, fluoride, asbestos, chromium, mercury, pesticides, pharmaceuticals, and chlorine Claryum® filtration reduces harmful contaminants—those you can see, smell and taste, and those you can’t—for optimally clean water Access to clean, filtered water whenever you need it, perfect for 1-4 people Remineralizer returns the healthy minerals lost in the reverse osmosis process—such as calcium, magnesium, and potassium Full system NSF certified to standards 42, 53, 58, 401 + P473 Carbon and Claryum filters last 6 months or 365 gallons - RO Membrane and Remineralizer last 12 months Includes first set of filters, RO tank, a stylish all-metal, 100% lead free, brushed-nickel faucet, and all parts required for installation Limited 2-year warranty