The generic Ecomatic ESC replacement cell is a perfect replacement for older or discontinued ESC24, ESC36, and ESC48 chlorine generators (71004, M0657USA). Also compatible with ESC7000, ESC8000 and ESC9000 salt systems. Manufacturer rated for pools up to 24-54,000 gallons. This 13-blade titanium salt cell has a built-in water sensor for safety and is manufactured to meet or exceed factory specs, and works with both 110V and 220V systems. Includes cell electrode only.