Proline Plus 5-Stage RO Filter Kit with 50 GPD Membrane

1-Year Replacement Filter Kit with RO Membrane for Proline Plus Reverse Osmosis System. INCLUDES: STAGE 1 - 1x Sediment Pre-Filters (93023) - Replace every 6-12 months or as needed STAGE 2 - 1x Carbon Block Pre-filters (OMB934-5m) - Replace every 6-12 months or as needed STAGE 3 - 1x Carbon Block Pre-filters (OMB934-5m) - Replace every 6-12 months or as needed STAGE 4 - 1x RO Membrane TFC 50 GPD (200359) - Replace every 24 months STAGE 5 - 1x Inline Carbon GAC Filter (CL10ROT33-BB) - 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.