The Rheem PREFERRED 32 000 Grain Water Softening System provides households of up to 4 people with the high-quality water you expect for your home. The built-in Rheem Learning Technology learns your water usage patterns and saves you money by optimizing salt and conserving water and energy. The Rheem PREFERRED 32 000 grain water softener is a reliable high-performing softener with all the essential features and is designed engineered and manufactured right here in the USA. Color: Grays.