The Aquasure AS-HS48FM Harmony Series of Whole House Water Softening System is built to provide soft, scale, and spot-free water while reducing iron stains for the entire house. The system can treat up to 48,000 Grains of hardness and 10 ppm of iron, perfect for a household size of 3-4 bathrooms and up to 5 people. Its built-in advanced digital control console allows precise backwashing only when it’s needed, saving hundreds of gallons of water and lowering the consumption of salt.