BWT Premium Mg 2+ Water Filter, Custom USA Formulation (3+1 Pack) Why are BWT Water Filter Products the Best in the World? - The patented BWT Magnesium technology not only reduces chlorine, heavy metals and scale, but also mineralizes the water with valuable Magnesium, making it taste natural, balanced, fresh and ranking highest in consumer taste tests around the world. Unsurpassed Filtration - Cleaner - No black bits in the water, Faster - No pre-soaking required to activate filter, Safer - Contains silver to provide antimicrobial protection and prolong filter life, Stability - Designed to deliver stable performance over the life of the filter. The filter ingredients won't get packed down at the bottom and reduce filtration efficacy. We are the only seller that had BWT make a custom filter formulation for US water characteristics. Technology & Design With the Most Awards - Red Dot Design Winner 2014 | Home & Trend Award : Innovation of the Year 2014 & Golden Award Best of the Best | EESC European Award 2014 Best Product of the Year 2013 | Winner of Plus X Award 2013. Only filter that replaces most Brita and Mavea filters at a fraction of the cost so BUY NOW since this promotional price is for a limited time only! Superior Taste for Hot & Cold Beverages / People Need Mg - Magnesium is a natural mineral and flavor carrier which enhances the aroma and taste of tea and coffee and provides a much better "crema". Mg2+ has become a crucial mineral lacking in our diet. It is estimated that &gt; 60% of adults in US do not receive the minimum daily requirement.