Check the listing for details. Proline Plus RO Filter Replacement Kit with 50 GPD Membrane. Condition: New. Listed at 90.95 USD. 1-Year Replacement Filter Kit with RO Membrane for Proline Plus Reverse Osmosis System. * Complete RO filter replacement kit takes the guess work out of annual filter changes. * Replacement Kit includes high-quality Proline Plus OEM compatible filters. * Includes one 5 Micron Sediment Filter to Remove Sediment, Rust, and Dirt from water, as well as two Carbon Block Filters to remove chlorine, taste and odors, one Reverse Osmosis Membrane, and one final Carbon-GAC Polishing Filter to refresh the flavor of the water when being dispensed from the tank to the faucet. * Regularly replace filters and membrane for highest quality water and optimum Performance from your RO system. * Meets FDA requirements for food and beverage contact. KIT INCLUDES: 1. STAGE 1 - 1x Sediment Pre-Filters (93023) - Replace every 6-12 months or as needed 2. STAGE 2 - 1x Carbon Block Pre-filters (OMB934-5m) - Replace every 6-12 months or as needed 3. STAGE 3 - 1x Carbon Block Pre-filters (OMB934-5m) - Replace every 6-12 months or as needed 4. STAGE 4 - 1x RO Membrane TFC 50 GPD (555694-00) - Replace every 24 months 5. 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.1-Year Replacement Filter Kit with RO Membrane for Proline Plus Reverse Osmosis System. * Complete RO filter replacement kit takes the guess work out of annual filter changes. * Replacement Kit includes high-quality Proline Plus OEM compatible filters. * Includes one 5 Micron Sediment Filter to Remove Sediment, Rust, and Dirt from water, as well as two Carbon Block Filters to remove chlorine, taste and odors, one Reverse Osmosis Membrane, and one final Carbon-GAC Polishing Filter to refresh the flavor of the water when being dispensed from the tank to the faucet. * Regularly replace filters and membrane for highest quality water and optimum Performance from your RO system. * Meets FDA requirements for food and beverage contact. KIT INCLUDES: 1. STAGE 1 - 1x Sediment Pre-Filters (93023) - Replace every 6-12 months or as needed 2. STAGE 2 - 1x Carbon Block Pre-filters (OMB934-5m) - Replace every 6-12 months or as needed 3. STAGE 3 - 1x Carbon Block Pre-filters (OMB934-5m) - Replace every 6-12 months or as needed 4. STAGE 4 - 1x RO Membrane TFC 50 GPD (555694-00) - Replace every 24 months 5. 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.