Metered water softener with 1" Fleck 2510 Econominder control, 48,000 grain capacity with by-pass valve Unless "Ships from and & sold by" shows CAI Technologies, this is not a genuine CAI product. 1.5 ft3 premium grade ion exchange resin with Turbulator distributor. By-pass valve with 1" connections, 18" diameter x 33" brine tank with grid and float assembly. Free shipping within the continental US! If not sold by CAI, click "More buying choices" to view & purchase from CAI Technologies.