A quiet, highly efficient water softener with built-in sediment filter. Removes lead and reduces chlorine taste and odor. Computerized on-demand regeneration requires only 12 to 16 gallon of water, 2.5 to 4 lb. of salt to regenerate. Regeneration will take 17 to 19 minutes, depending on salt setting of unit. User-friendly controls and low-rise compact housing promote ease of setting softness level, adding salt, and unit placement. Rated to 22,000 grain capacity and 20 micron sediment removal. Hardness determination test included. Installation CD included. 30.75" H. x 14.75" W. x 18.75" D.