Designed to provide an easy and effective method of reducing iron in water, which greatly improves the taste and look of your water. This cartridge helps to eliminate the orange and brown stains often found in sinks, toilets, tubs, and other plumbing fixtures. Well, water homes usually have the most iron stain problems. Reduces the possibility of damage to pipes and water heaters and reduces up to 3 ppm dissolved iron. It adds no harmful chemicals to the water, making it completely safe for drinking water applications. This cartridge should be installed on the main cold water line after the pressure tank or water metre. For best results, pre-sediment and post-carbon treatment are recommended.