Each power supply controls up to six salt cells. (Covection or In-line configuration) Produces up to 15lbs. of chlorine per day. Design for simple customization. Up to 6 independent power supplies in a single housing, Up to 6 cells in a single manifold. Constant and accurate performance feedback on each power supply and cell. Special commercial cells, self cleaning with soft reverse. * Assures longer life and reduced maintenance.