Hydro Life 52412 C-2063 Compatible Cartridge by CFS Hydro Life 52412 C-2063 Compatible Cartridge by CFS Replacement cartridge 5 series fits most 10-inch filter housings Finer mesh granular activated carbon filters out more contaminants than standard carbon filters KDF media prevents bacteria growth Provides safer, cleaner, better tasting water by filtering out contaminants that cause bad odor and taste