Aquasana OptimH2O Reverse Osmosis Under Sink Water Filter System - Filters 95% Of Fluoride - Kitchen Counter Faucet Filtration - Brushed Nickel - AQ-RO-3.55Drink With Confidence Knowing Your Drinking Water Has Been Purified Through Both Reverse Osmosis & Aqua Sana's Claryum Filtration to filter 95% of fluoride & 97% Of Chlorine, plus 99% of 86 other contaminants, including lead, mercury, asbestos, pharmaceuticals and more. One Of A Kind High Performance Filter The first filter system to combine Reverse Osmosis, advanced Claryum filtration, and Remineralization technology. Removes 5x More Contaminants