Simply your life and get back to nature with an ECO-w salt water sanitization system. Enjoy naturally clean, sparkling pool water with the convenience, reliability and simplicity of ECO-matic. This environmentally friendly pool water sanitizing system uses only natural salt. Low power consumption makes this an efficient and economical system. ECO-matic produces sparkling clear, safe pool water meaning no odors or irritation to eyes and skin. The clear enclosure keeps the cell visible for easy maintenance. The user-friendly controls are simple to set and operate. The ESC36 is suitable for pools up to 40,000 gallons.