Enjoy fresh, great tasting pH+ mineral water right at home that is perfect for drinking, cooking and making delicious coffee, tea and ice. RO-PH90 is guaranteed to remove up to 99% of harmful water contaminants such as chlorine, taste, odor, VOCs, as well as toxic fluoride, arsenic, lead, nitrates, heavy metals, and much more. Save money, time, and hassle from buying costly bottled water, and live healthier with alkalized, calcium mineral drinking water. The mineral cartridge adds only 100% US-made high-purity calcium carbonate to effectively raise pH in the water for those who desire alkaline water. Other re-mineralization RO systems claim to add various beneficial minerals back into the water; however, their mineral formulations are often from unknown sources that can lead to potential health concern. Rated at 90 GPD, the DOW FILMTEC membrane provides fastest production rate for large family. Every RO-PH90 includes a high quality, 100% metal and lead-free luxury designer faucet.