Tyent Ultra Filter Set: MMP (fits 7, 9 or 11 plate countertop water ionizers) Authentic IMPORTANT! Before ordering, please check sticker on back of unit. See example photo left. This item is correct if your sticker reads: MMP Best Water Ionizer Filtration in the World! GUARANTEED AUTHENTIC TYENT FILTERS .01 Micron - Same Micron As Kidney Dialysis Machines. Dual Set Filters to 99.9% Purity Primary ACF Fiber Active Carbon Filter Removes Rust, Dregs, Chlorine, VOCs Plus Secondary Composite Ceramic Filter with Ion Ceramic to Create Electrolytes