All cartridges in this system are sealed and quarter turn quick and sanitary change exclusive design.
Stage 1: RC-HF-SED-5 - 5 micron pre filter.
Stage 2: RC-HFC-1000 - Chemical Reduction - including PFOA/PFOS Forever Chemical
Stage 3: RC-SC12-RO-150 - 150 gallon per day Reverse Osmosis Membrane
Stage 4: CMF26-.75 QC - Microbial Filter for post storage tank removal of bacteriam, virus and cysts
Note to well water users: If you experience Sulfur Odors, iron, algae, in your source water replace the stage 1 cartridge with the RC-PWF-S Problem Water Cartridge
Select this system when you wish to reduce the Total Dissolved Solids (TDS) from your drinking water. If nitrates, chlorides, chromium high TDS >500 ppm of minerals or heavy are know or suspected to be in your water.