10” Resin Softener Cartridge SP WS 10BB x of Cation Water SpiroPure 6) 4.5” (Case Cartier to Frontenac : geographical Cartier to Frontenac : geographical discovery in the interior of North America in its historical relations just pure childhood joy sodium form resin ion exchange media with polypropylene pre & post filters Utilizes a bed of sodium form cation resin beads for reduced hardness and scale deposits Offered in nominal sizes of 10x2 5 lpm) and a temperature rating of 40°F to 100°F (4