| http://www.w3.org/ns/prov#value | - Based in Livermore, Calif., Purfresh for years has made ozone-based disinfection systems for markets like bottled water, canned drinks, medicines and personal-care products, with customers such as Coca-Cola, PepsiCo, Nestl??'s Arrowhead Water, Colgate-Palmolive, Neutrogena and Safeway.
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