EV9270-72 Everpure H-300 Quick Change Replacement Cartridge Replace the H-300 cartridge (EV9270-72) yearly to reduce the following contaminants:Lead to below the Federal Action Level of 15 ppbNSF/ANSI Standard 53 certified to reduce cysts such as Cryptosporidium and Giardia by mechanical means.Volatile Organic Chemicals (VOCs), including THMs This cartridge also reduces:Chlorine taste and odorDirt and cloudinessMold and algaeOxidized ironOxidized manganeseOxidized sulfidesReduces particles as small as 0.5 micron in size by mechanical means.Limescale build-up in appliances that use water The H-300 replaces Everpure's previous cartridge model H-200, which is no longer available.