7FC-LS Water Filter Cartridge, 7FC-LS, (6) 7FC-LS Fibredyne® II submicron carbon block cartridges, reduces lead, cysts, chlorine, taste & odors, inhibits bacterial growth & scale, 7,400 gallons lead removal, 14,800 gallons taste & odor, 1.8 gpm, 0.5 micron, NSF 42 & 53 (EV969346)