Magna-Soft Salt Free Magnetic Water Conditioner Carbon Filter Treats hard water, calcium & magnesium, keeps it suspended to prevent scale build up Same results as a water softener, no scale build up, whiter white clothes Soap lathers more, save wear and tear on pluming, no salt, no chemicals! The carbon filtration in the unit freshens, filters, removes odors, chemicals The magnetic softener has over 500 pounds pulling power to treat your water