GE® 30,000 Grain Water Softener(B)Electronic controls( B)(BR)Easy to use up front electronic controls with status light indicator(BR)(BR)(B)Grain capacity( B)(BR)30,000(BR)(BR)(B)Days to empty indicator( B)(BR)Makes sure you never have to guess when to refill the salt tank(BR)(BR)(B)Water usage( B)(BR)Uses up to 20% less water (based on internal analysis verses GE water softeners manufactured prior to 2009)(BR)(BR)(B)Plumbing connections( B)(BR)Plumbing connection up to 1