The upgrade of the high-capacity ion exchange column has been successful. The 9.101148 and 9.101152 ion exchange columns are molded in one go, with a clean appearance and easy replacement! Filled with American Dusheng polishing resin, the water quality is stable and the service life is long. 9.101148 produces 2 tons of water and 9.101152 produces 4 tons of water.