The Pro-Chlore Salt range (compatible with equipment from the AP-PR range and Smart Control range) includes EX electrodes that provide the highest durability in self-cleaning systems. the Pro-Chlore Salt range, with its options; and integrated EXTENS and Atilde;O otilde;es (EXT-1. EXT-1E, EXT-2) or external control (AP PR 60359-60361-60362, Smart Control 54523-4-5) incorporates a control system and regulate and ccedil; and accuracy of ORP (Redox) or ppm values, as well as pH, which allow for better management and accuracy of the equipment and enable excellent water quality at all times.