AutoPilot ST2SC48SUS 110/220-Volt Digital Chlorine Generator with Super Cell-48 Cell and Manifold Assembly Complete More purifier output than any other unit-up to 2-pounds of chlorine per day Never buy chlorine again No more red eyes, itchy skin, green hair, or faded swimwear Utilizes patented bypass manifold for optimum chlorine production Operates at all salt levels: 2000-35000 ppm