circupool rj45 plus complete salt water chlorination system for swimming pools circupool upgrade your pool to the circupool rj-45+ salt system to provide the ultimate pool sanitation and relaxation. the circupool rj-45+ salt cell provides an unmatched longevity and durability. other brand salt cells typically only last 3 years before replacement is needed; the circupool titanium extended life cell is rated for 7 years. the circupool rj-45+ system is rated for pools up to 45,000 gallons, and will eliminate the need to use traditional chlorine maintenance. no longer will you need to spend hours making a trip to the local store and stocking up on chlorine, and then adding it to your pool water by hand. circupool salt chlorination does it all for you automatically! fits hayward plumbing.factory fresh and double taped for shipping security.