SR Aquaristik Halcyon Deionization Replacement Cartridge with Color Change Resin

  • Contains nuclear grade color changing resin
  • Vacuum packed to preserve freshness
  • Brings TDS to 0

The SR Aquaristik Prepacked Color Change Resin Replacement Filter is ideal for replacing exhausted resin in RO/DI filter systems. Professionally packed; saving time, effort and mess over refilling cartridges with bulk resin.