Culligan International’s Sulfur-Cleer” is a patented water filtration process that removes both hydrogen sulfide and iron. It uses a very low concentration of bleach to remove hydrogen sulfide, eliminates the need to use harsh chemical cleansers for stain removal and stops damage and buildup in piping. Sulfur-Cleers user-friendly features and reliable technology automatically alert homeowners to preventive maintenance requirements.The unit can easily be paired with a Culligan water softener if hardness is detected.www.culligan.com(800) CULLIGAN