Multi-Tank Water Softener, Single Tank Maximum Grain Capacity 132,000, Brine Tank Capacity 1,000 lb, Total Number of Tanks 2, Number of Resin Tanks 1, Number of Brine Tanks 1, Brine Tank Diameter 24 in, Brine Tank Height 50 1/2 in, Grains Capacity at 10 lb/cu ft Salt Dosage 124,000, Grains Capacity at 12 lb/cu ft Salt Dosage 132,000, Grains Capacity at 4 lb/cu ft Salt Dosage 72,000, Grains Capacity at 6 lb/cu ft Salt Dosage 96,000, Grains Capacity at 8 lb/cu ft Salt Dosage 112,000