3M Aqua-Pure AP Easy C-Cyst-FF Replacement Water Filter Cartridge has an extra fine 0.5 micron filter that effectively removes sediment, particulates, chlorine odor/taste, and up to 99% of filterable parasitic protozoan cysts. Provides cleaner, clearer, better-tasting drinking water from your tap.

The C-Cyst-FF is the replacement filter for the 3M Aqua-Pure AP Easy Cyst-FF Water Filtration System (sold separately).

FOR COLD WATER USE ONLY