Culligan, Brita, Aquasana, Crystal Quest, etc offer different types of iron filters. Filter replacement cartridges for iron filtration systems can also be obtainable. Regular servicing and replacement is essential as efficiency of filters is bound to reduce over a period of time. Filters also function efficiently with no risk of backwashing, chemical compounds or need for any kind of media regeneration. Depending upon the actual degrees of contamination of iron along with other contaminants you possibly can choose the one that would guarantee thoroughly clean, pure and refreshing water for all purposes.