PATENTED FILTER TECHNOLOGY: Transforms local tap water into tasty drinking water enriched with zinc and magnesium - approx. 1400 liters when used hot and cold at 12°dH.PROTECT THE IMMUNE SYSTEM: Zinc supports a normal immune system. FLAVOR AND PROTECTION: Offers optimal limescale protection for your devices and becomes the perfect ingredient for unadulterated tea and coffee preparation. COMPATIBILITY: Suitable for systems of the BWT "AQA drink" series (not suitable for BWT Bestmax or third-party systems such as Grohe fittings). Can only be used with the BWT Magnesium Mineralizer filter head, also available here. This item is in the category "Home, Furniture & DIY\Appliances\Small Kitchen Appliances\Water Purification\Water Filters". The seller is "kaffeepause-wien" and is located in this country: AT. This item can be shipped to all countries in Europe, United States, Canada, Australia.