Nature 2 Express Replacement Cartridge

Nature2’s Express Replacement Cartridge gives pool owners a way to keep their Nature 2 Express Systems running without interruption, simply by replacing this cartridge element, which will maintain the sanitizing power of the Express System for another 4 months. Containing copper and silver compounds to naturally sanitize pool water, this Express Replacement Cartridge will enable your pool to consume significantly less chlorine, making the water more comfortable for swimmers and cheaper to maintain.