QC7I Water Filtration System, QC7I Twin 7FC, (2) 7FC Fibredyne® carbon block cartridges, reduces sediment, chlorine, taste & odor, cyst, turbidity, 50,000 gallons capacity, 5.0 gpm flow rate, 0.2 micron, inlet water shut-off valve, outlet pressure gauge, flush valve, 3/4" inlet/outlet FNPT connections, NSF 42 & 53 (EV920252)