The Pulsar® 73116 3M Single DIN ORP Kit Extension Cable for Pulsar® Infinity and CCH® Endurance Systems is an extension cable designed specifically for the complete oxygen reduction potential measurement kit in compatible pool water maintenance systems. This component works with both the Pulsar® Infinity and CCH® Endurance lines. For best results, always refer to manufacturer directions for repairing, replacing, or adding components to pool maintenance systems.