Aqua Violet is a multi-functional water purifier that allows you to select between oxidized water, purified water, and alkaline water. - Model Name: Aqua Violet - Function Selection: Oxidized water, purified water, and alkaline water selectable - Accessories: Test solution, filter, connection parts - pH Adjustment: 3 levels: strong, medium, and weak - Power: ON/OFF switch Thank you for viewing. It's an old item, but it's unused and has been stored in a warehouse. Please purchase if you understand this.