95 grains per gallon maximumf water hardness. 30,000 grain of capacity - whole home system, demand initiated electronic controls (monitors your water usage), LED salt tant light, salt level indicator  water flow, indicator, 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, Made in USA. 44-3/4"h x 14-1/2"w x 21-1/4"d. Warranty: 1 year full in home, 3 year electronics, 10 year tank.

110 grains per gallon maximum water hardness. 40,000 grain of capacity - whole home system, super high flow ? commercial sized valve system, demand initiated electronic controls (monitors your water usage),LED salt tank light and salt level indicator, water flow indicator, space saving single tank design, salt saving technology, includes by-pass valve, drain line and installation kit,  high iron reduction - 10 ppm clear water iron (ferrous iron, ideal for houses with families of 5 or more. Made in USA.  44-3/4"h x 14-1/2"w x 21-1/4"d. Warranty: 1 year full in home, 3 year electronics, 10 year tank.