Pura 41407008 Quick Change RO Membrane 75 gpd. Pura 41407008 Quick Change RO Membrane 75 gpd ThePura 41407008 Quick Change RO Membrane is the replacement membrane for the Pura QCRO 4 Stage Quick Change Reverse Osmosis System. This 75 gallon per day membrane reduces dissolved solids to improve the quality of your water. Reduces total dissolved solids (TDS) Recovery: 25% TDS Reduction: 95% Should be replaced every 3 years PURA QCRO 4 Stage Quick Change RO System Specifications PURA QCRO 4 Stage Quick Change RO System Manual PURA QCRO Performance Data Sheet Reverse Osmosis Systems Pura QCRO and QCUF Replacement Filters