Multi-Tank Water Softener Total Number of Tanks 2 Number of Resin Tanks 1 Number of Brine Tanks 0 For Household Size 3 to 4 People Single Tank Maximum Flow Rate Scale 7 gpm Single Tank Regeneration Water Used 53 gal Resin Tank Material Polyethylene Resin Tank Overall Depth 10 in Resin Tank Overall Height 54 in Resin Tank Overall Width 10 in Application Bathing/Showering Glassware and Silverware Life of Appliances Spots and Hardness Buildup on Dishes Demand Regeneration Yes