1-Year Replacement Filter Kit for RainSoft UF22 Reverse Osmosis System (RO Membrane Sold Separately)

1-Year Filter Replacement Kit for RainSoft 21179 and UF22 Reverse Osmosis System (RO Membrane Sold Separately) INCLUDES: STAGE 1 - 1x Carbon Block Pre Filter (replace Every 12 Months STAGE 2 - 0x (RO Membrane Sold Separately STAGE 3 - 1x (Carbon Block Post Filter) - Replace Every 12 Months 2) 5micron carbon filters included with this kit only. Filters may need to be replaced more often than indicated depending on incoming water contaminant levels and volume of water being treated. -