Aqua Pure EP15 Whole House Filter Replacement Cartridge Water Filter Cartridge for Ever pure H-100 Drinking Water System for use in Ever pure H-100 Systems Reduces up to 99.99-Percent of particles 1/2 micron and larger in size including Cryptosporidium, with an exclusive recoat design Reduces dirt, chlorine taste and odor, mold and algae Easily replace the cartridge