4 Pack of Compatible Filters for Hydro Life Carbon Block Replacement Cartridge

4 Pack of Compatible Filters Hydro Life 52418 C-2471 Replacement Cartridge by CFS Replacement cartridge 5 series fits most 10-inch filter housings Radial flow Carbon Block Cartridge Reduces cysts such as cryptosporidium and giardia lamblia by 99% Easily replace cartridge without tools One micron absolute filtration reduces chlorine by 99% and virtually eliminates sediment