Replacement reverse osmosis and deionization cartridges Routine cartridge replacement ensures highest water quality Enjoy purified water for freshwater or saltwater aquarium use Replace reverse osmosis and deionization cartridges to ensure optimum water quality. Scheduled replacement of RO membrane and filter cartridges is the easiest way to maintain peak performance of your RO/DI unit. Additional tubing available in green, blue, yellow and red for color-coding and easy identification. Use with AquaticLife RO/DI units and other brands of RO units.1-Micron Pre-Filter Cartridge 1-Micron polypropylene sediment filter used in a reverse osmosis unit to remove particulate material found in tap water. 9-7/8" Standard size cartridge is self-sealing for a tight fit.Carbon Pre-Filter Cartridge Removes chlorine and chloramines from most incoming tap water supplies for up to six months. 9-3/4" standard size cartridge includes dual rubber gaskets to ensure 100 percent water flow-through.Mixed Bed Resin (DI) Cartridge Cation and Anion resins (H+ and OH-) remove the remaining total dissolved solids (TDS) from membrane-filtered water. 10" standard cartridge size includes a top gasket for a secure fit.Reverse Osmosis Membrane TFC membrane material with a negative charge removes harmful substances. 11-3/4" standard size fits AquaticLifeTM and other brands of RO units.1/4" Tubing Polyethylene tubing boasts high resistance to stress cracking from liquid and gas. Compatible with metal or plastic compression fittings. Nontoxic and safe for marine and planted aquariums.Please click on "More Information" for maintenance guide.

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