EHM * 3 PC FILTER CARTRIDGE REPLACEMENT FOR EHM PITCHERS and Fits any WellBlue pitcher with screw in type Filter Replacements ....;BPA free..*Negative potential Balls to reduce the ORP value ...Makes great-tasting alkaline Ionized water. *Tourmaline stones to raise the pH;Maifan stones to re-mineralize the water by adding iron, zinc, calcium and other beneficial minerals. Abundant minerals (Ca, Mg, Na, K and more) deposited into the water naturally.;High Anti-Oxidant for natural anti-aging properties at the same level or better than Vitamin C......*Far In fra red stones to energize the water;Voted NO#1 by Alkaline Water Machine Reviews 2 YEARS 2015 - 2016 http://alkalinewatermachinereviews.com/alkaline-water-pitcher/