Ecowater EP31007/EP7130 Water Softener, 30000 GrainsHighlights: Capacity: 30000 Grains Standards: NSF Approved Temperature Range: 40 120 Deg F Whole home system, demand initiated electronic controls (monitors your water usage) Low salt indicator light, space saving single tank design, salt saving technology Includes by pass valve, drain line and installation kit, Reduces up to 7 ppm clear water iron Ideal for houses with families of up to 4 and high water hardnesses Dimensions: 44 3 4"h x 14 1 2"w x 21