Replacement encased Mineral Stones for Zen Water Systems. The Maifan Mineral Stones retain the purity and freshness of your drinking water while purifying and infusing it with essential minerals. One year or 1,000 gallons, whichever comes first, is the lifespan of the filter. You should only use genuine Zen Water replacement filters and parts to ensure proper fit and performance.
Zenwater Replacement Mineral Stones