Insurice® Water Filtration System, Insurice® Single-4SI, Single, (1) 4SI Fibredyne® submicron cartridge (designed to prevent bacteria from entering and/ reproducing in a hospital water system), outlet pressure gauge, 15,000 gallons, 2.0 gpm, 0.5 micron, 3/8" inlet, 3/8" outlet, NSF 42 & 53 (EV932460)