Aqua-ionizer Deluxe 7 Plate Alkaline Water Ionizer and Alkaline Water Machine Bundle Savings 7 Healthy Water Options: 4 Ionized Alkaline continuously variable; 1 non-ionized purified; 2 ionized Advanced 7-Electroplate Technology: 7 platinum coated titanium, long-life, durable, energy-efficient Built-in Active Carbon Water Filter: Long-life, hi-tech filter purifies over 1,585 gal. of water and Two Extra Carbon Filters Included Additional Features: Fully variable 4.5 to 11 pH; OPR Range +1000 to -850mV; intuitive back-lit LCD,