Echo-Matic® 32725 Cell Connector For ESC Salt Water Chlorine Generator System 2 per Pack. This Cell Connector is compatible with ECO-matic Commercial Salt Water Sanitising Systems. The perfect swimming pool requires crystal clear water at all times. Traditional water sanitation by way of chlorine chemicals involves certain risks in production, transport, handling and storage. This traditional sanitation process can be greatly improved by using the ECO-matic commercial salt chlorination alternative, an extremely effective and convenient system based on the electrolysis of common Salt.