Microline TFC-25S Replacement Filter Kit with RO Membrane

1-Year Replacement Filter Kit with RO Membrane for Microline TFC-25S Reverse Osmosis System INCLUDES: STAGE 1 - 1x Sediment/Carbon Pre-Filter (S7028) - Replace every 6-12 months or as needed STAGE 2 - 1x RO Membrane TFC 25 GPD (S1227RS - Replace every 24 months STAGE 3 - 1x Carbon GAC Post-Filter (S7025) - Replace every 6-12 months or as needed *Filters may need to be replaced more often than indicated depending on incoming water contaminant levels and volume of water being treated.