RO100ROPOT 1-Year Remineralization Filter Set YEAR-LONG SPRING WATER SET: This convenient two-pack of Bluevua remineralization filters ensures a year-round supply of mineral-rich, alkaline water, perfectly compatible with your RO100ROPOT and RO100ROPOT(UV) systems. RICH IN NUTRIENTS: The alkaline remineralization filter loads water with micro nutrients, choosing natural materials to restore minerals like calcium, sodium, magnesium, potassium, and zinc. BOOSTS PH: The Bluevua Remineralization Filter for RO system helps prevent an acidic environment by raising the pH balance from 6.2 to 7.5. Not only does it boost the waters flavor, but the antioxidant-rich water also restores your bodys pH balance and strengthens your immune system. TESTED AND CERTIFIED SAFETY: This product ROPOT mineral filter is certified by WQA to NSF/ANSI/CAN 372 for lead free compliance when used in RO100ROPOT and RO100ROPOT(UV). Also the filter's mineral balls undergo rigorous testing at SGS labs to ensure top-notch drinking safety. EFFICIENT AND LONG-LASTING: Each filter in this pack lasts up to six months, providing a total of one year of purified, high-quality drinking water.