Insurice® Water Filtration System, Insurice® Single-7SI, Single, (1) 7SI Fibredyne® submicron cartridge (designed to prevent bacteria from entering and/reproducing in a hospital water system), outlet pressure gauge, 25,000 gallons, 3.5 gpm, 0.5 micron, 3/8" inlet, 3/8" outlet, NSF 42 & 53 (EV932470)