QC7I Water Filtration System, QC7I Single-4FC S, (1) 4FC-S Fibredyne® carbon block cartridge, reduces sediment, chlorine, taste & odor, cyst, turbidity, inhibits scale, 15,000 gallons capacity, 2.5 gpm flow rate, 0.2 micron, inlet water shut-off valve, outlet pressure gauge, flush valve, 3/8" inlet/outlet connections, NSF 42 & 53, (EV920281)