Culligan Carbon Filter Fresh Water Filter Cartridge For Culligan US-600A/US-6000 D-40A 10-0422

Replacement carbon block cartridge filter reduces giardia, cryptosporidium cysts, lindane, atrazine (pesticide and herbicide), asbestos, mercury and chlorine taste or odor. Filters down to 0.5 micron. Filter up to 6000 gallon capacity.