Case of 4 Gallons-One-step fountain solution specifically designed for use with all types of silver-imaged polyester, paper and metal plates sold by Mitsubishi, AB Dick and Heidelberg. Runs alcohol-free and fount additives-free with any dampening system. Protects ink on polyester plate from excessive water absorption. Can use interchangeably between polyester and metal plates. Typical dose: 2.0-4.0 Oz/U.S.Gal.