CSR Water Filtration System, CSR Quad-Unimount, (1) EC210 Prefilter, (4) MC² Precoat primary filtration cartridge, reduces chlorine, taste & odor, (1) SR-X housing, (1) SS-IMF scale reduction cartridge, inlet pressure gauge, outlet pressure gauge, flushing valve, 36,000 gallons, 6.7 gpm, 0.2 micron, 3/4" inlet, 3/4" outlet, NSF 42 & 53 (EV933726)