Nimbus Sierra Stage 3 RO Membrane 36 gpd (NIM-104583)

Stage 3: The reverse osmosis membrane reduces dissolved salts, metals, microorganisms and other impurities. (Replace every 12 months). .
Membrane Storage Tip – RO Membrane cartridges that will not be installed or used immediately, should be stored in a refrigerator to help prevent contamination of the cartridge. (Do Not Freeze…!)