Replacement filter for PUR water filter model No. FM1300, FM3000, FM3010, FM3100, FM3200, FM3200CP, FM3210CP, FM3500, and FM3550. Filter removes 99.99% of cysts, cryptosporidium, and giardia. Reduces chlorine, asbestos, atrazine, lead, lindane, and mercury. Cartridge life is 100 gallon. PUR water filters do not filter microbes.