The BWT water filter cartridges are suitable for use in BWT table water filters, turning your tap water into the best Magnesium Mineralized Water. Removal of lead, copper, or lime from tap water. Enrichment with magnesium and zinc. Limescale protection for your household appliances. Thanks to the world-unique BWT filter technology, your local tap water is transformed into the best Magnesium Mineralized Water + ZINC. The patented process reduces heavy metals like lead or copper, odor- or taste-disturbing substances like chlorine, as well as the lime content in the water. At the same time, the filtered water is enriched with the valuable mineral magnesium and the trace element zinc in ionic form. The combination of zinc and magnesium brings freshness to the tap water and energy to your daily life. The filter cartridges for Magnesium Mineralized Water + ZINC provide perfect limescale protection for household appliances like kettles and coffee machines, thereby extending their lifespan. This not only saves money and avoids waste but also lowers energy costs, as limescale deposits increase electricity consumption. By using local tap water, Magnesium Mineralized Water + ZINC from BWT is the beneficial alternative on the path to a plastic-free future.