This filter set includes four (4) replacement filters for the PureGen Quick Change 50 GPD Reverse Osmosis System PROQ5-50. The 4-filter kit includes all filters for the Pro-Q System:
Stage 1: 5-micron Sediment Filter, QSF-25003. It has high chemical resistance; it removes dirt, sand, and rust. In fact, it removes any suspended matter (>5 microns) from water, thus protecting the other filters. This filter is disposable.
Stage 2: Granular Activated Carbon (GAC) Filter, QGA-25002. GAC filter removes chlorine and organic chemicals.
Stage 3: 10-micron Carbon Block Filter, QCB-25001. This carbon filter takes out residual chlorine and organic chemicals before the water goes into the RO membrane/filter.
Stage 4: Membrane is Not included in this 4-filter kit. Alternatively, you can get the 5-Filter Kit instead.
Stage 5: Inline GAC filter.
All filters are changed once a year.
SKU: RPL4-PROQ5-50 ___ UPC: 85XX