Culligan Carbon Filter Fresh Water Filter Cartridge For Culligan US-600/US-550/SY-2000/SY-2100 01020635 10-0621

Replacement level 2 extra filtration carbon block cartridge; reduces giardia, cryptosporidium cysts, asbestos, sediment, chlorine taste and odor. Filters down to 0.5 micron. Filters up to 1000 gallon capacity or works 12 months. NSF certified.