BW-SM1Water Ionizer Features and Advantage: . Elegant Appearance: patented international streamline frame. . Patented Compact Appearance Design . Lightest Weight: weighing just 3 kilograms. . Hanging Or Sitting At Will: Wall Hanging or Installed on desktop at will. . Lifespan: lifespan of the whole machine is up to 10 years. . Reliable Fittings: key components are imported, secure and endurable. . High Flow Volume: maximum flow up to 2.5 L/minute. . Unique Configuration: out built cartridge for adding minerals. . Intelligence Control: microcomputer controls automatic reverse-rinse, protection etc. . Wide Scope of Applications: applies to ultra high voltage, ultra low voltage, and turned on by water pressure. 3 Alkaline levels for Drinking and 1 acidic level for external use only, and purified water for taking medicines