
Halcyon 20" Replacement Sediment Filter
$3.98
Compatible with SR Aquaristik 20-inch RO/DI systems; works with almost all competitors 20” systems.
5 micron
Made with FDA compliant materials
The SR Aquaristik HALCYON 5 Stage Professional Grade/Store-use RODI System 20" Sediment Filter Cartridge is ideal for use in most commercial aquarium reverse osmosis units. Ideal for removing fine debris from tap or well water. Manufactured using the highest quality materials for optimum performance.

Halcyon 20" Replacement Carbon Filter
$9.98
Compatible with all SR Aquaristik 20-inch RO/DI systems; works with almost all competitors 20” systems
1/2 micron carbon block filter
Made with FDA compliant materials
The SR Aquaristik HALCYON 20" Carbon Block Filter is ideal for use in most commercial aquarium reverse osmosis units. Ideal for removing chlorine, chloramine and odors from tap or well water. Manufactured using the highest quality carbon for maximum chlorine, chloramine, VOC and general chemical filtration performance.

20” Refillable DI Resin Cartridge
$14.98
For use in SR Aquaristik HALCYON 5 Stage 20" RODI Unit
Excludes Filter Media
Refillable Chamber
SR Aquaristik HALCYON - 20" Refillable DI Resin Cartridge is ideal for use in most commercial aquarium reverse osmosis units.

Halcyon 20" Deionization Replacement Cartridge with Color Change Resin
$49.98
Packaged with color changing resin
Vacuum packed in Mylar to preserve freshness
Nuclear grade
SR Aquaristik Halcyon Deionization Replacement Cartridge with Color Changing Resin is ideal for replacing exhausted resin in RO/DI filter systems. Professionally packed; saving time, effort and mess over refilling cartridges with bulk resin.