With its Ultra filtration, this 16L water dispenser filter transforms ordinary tap water into clean, healthy mineralized alkaline drinking water. This is one system that performs 5 functions: Filters, purifies, mineralize, alkalinizes and preserves. Its multi-stage filtration removes bacteria, harmful contaminants, chlorine, chemicals and other impurities. Adds essential minerals and bio-energy properties to boost overall health and vitality. BPA free. No electricity or plumbing required. Easy assembly. convenient, versatile and affordable.