Nature2 Duoclear 25,000 Gallon Replacement Mineral Cartridge. New Number W28000 Old Number W26000, The Sanitizing Effects And Water Clarity Of Nature2 Mineral Technology With The Convenience Of Automatic Chlorine Generation From Clearwater Salt Technology. Nature2 Mineral-Bed Technology Uses Silver And Copper To Combat Bacteria. The Saltwater Chlorinator Component Automatically Produces Low Levels Of Chlorine, Eliminating The Need To Buy And Store Chlorine. Together These Two Technologies Create A Low-Maintenance, Low-Cost System For Pool Sanitizing, With Water That Feels Soft And Silky. Ship Weight (lbs) : 1, Dimensions : 9.88x4.75x4.75, UPC Code : 706175260002 Old, UPC Code : 706175280000 New,

 California Residents WARNING: Cancer and Reproductive Harm

 www.P65Warnings.ca.gov