Water Factory 3M Compatible 3 Filter Kit 50 GPD by Omnipure

Filter Replacement Kit with RO Membrane for CUNO Water Factory SQC3 Reverse Osmosis System. INCLUDES: STAGE 1 - 1x Sediment Pre-Filter (CSM5651) - Replace Every 12 Months STAGE 2 - 1x RO Membrane TFC 50 GPD (CSM5672) - Replace every 24 months STAGE 3 - 1x Carbon Block Post-Filter (CSM5621) - Replace Every 12 Months *Filters may need to be replaced more often than indicated depending on water contaminant levels and volume of water being treated.