EHM SureFlow Filter Replacement Cartridge Ultra Premium Alkaline Mineral Water Ionizer Pitcher EHM SureFlow Filter- Alkaline Water pitcher filter replacement ( Fits EHM 3.5L ULTRA Pitcher) BPA free..*Negative potential Balls to reduce the ORP value *Maifan stones to re-mineralize the water by adding iron, zinc, calcium and other beneficial minerals. High Anti-Oxidant for natural anti-aging properties at the same level or better than Vitamin C......*Far Infrared stones to energize the water Abundant minerals (Ca, Mg, Na, K and more) deposited into the water naturally. 2014-2017 Voted NO#1 by Alkaline Water Machine Reviews