Automatically chlorinate your pool without using chlorine with the ChlorEase Saltwater Chlorinator. Simply add iodine free salt to your pool and let this system do the rest. Features IncludeProduces chlorine right in the pool automatically and continuouslyChlorinates pools up to 18,000 gallon capacityProvides a soft water feel and is better for skin, hair and eyes than regular chlorineEasily installs on most frame type above ground swimming pools with frame rails measuring 1-1/8" or less, no plumbing requiredHeavy-duty high efficiency cell