40 LB, Clean & Protect Water Softening Pellet, Contains Resin Cleaning Additives Which Keeps The Softener Running Better & Longer, Reduces Iron Build Up, Extends Softener Life With Continuous Use, Helps Improve Appliance & Water Heater Efficiency, Strong Graphics & Product Detail, Endorsed By Many Leading Softener Brands, Only Water Softening Salt To Earn The Good Housekeeping Seal, Eliminates Messy Tank Clean Up.