CFS 10" Replacement Color Indicating DI Resin Cartridge Compatible with Aquatic Life RODI Models

It is a Package of Color Indicating DI Resin Cartridge for RODI Filtration. Cation and Anion resins remove the remaining TDS from membrane-filtered water. 10" standard size clear, refillable cartridge with top gasket for a secure fit. Cartridge housing shape lends itself to efficient water-to-resin contact. High-grade MBD-30 resin that gradually changes color as the resin is depleted.