Insurice® Water Filtration System, Insurice® Twin-i2000², Twin, (2) i2000² Micro-Pure® II Precoat primary filtration cartridge, reduces chlorine, taste & odor, inhibits scale, outlet pressure gauge, flushing valve, 18,000 gallons, 3.34 gpm, 0.5 micron, 3/4" inlet, 3/4" outlet, NSF 42 & 53 (EV932402)