Our proprietary blend of medias provide an ultra-high level of filtering for the whole house not just your refrigerator and sink. One effective media in our ChloriKlear Max is catalytic carbon. Catalytic carbon is superior to GAC/granular activated carbon that is used in most filters. Catalytic carbon has a far superior capacity to remove chlorine, trihalomethanes, hydrogen sulfide, pesticides, and many other contaminants. Give your filtration experts a call to learn more!