CSR Water Filtration System, CSR Quad-MC², Quad, (1) EC210 Prefilter, (4) MC² Precoat primary filtration cartridge, reduces chlorine, taste & odor, (1) SRX scale reduction feeder, inlet pressure gauge, outlet pressure gauge, water shut-off valve, flushing valve, 36,000 gallons, 6.70 gpm, 0.2 micron, 3/4" inlet, 3/4" outlet, low pressure alarm, NSF 42 & 53 (EV943711)