The Fleck 2510 is a money saving control valve that includes a metering system which meters your water use and regenerates only when needed. That can mean salt and water savings of up to 50% over a conventional timer valve.FeaturesFleck 2510 Meter valve, 1 inlet/outlet, 110V/60Hz, non-corrosive, UV resistant Noryl construction, down flow brining.Clock or Meter initiated Superior fiberglass mineral tank with color choice of white, blue or black.'High quality softening resin.Gravel under bedding.Brine line installation fittings, drain line hose barb and owner's manual included as standard.SpecificationApproximate GPG Capacity: 30,000Mineral Tank Size: 9x48Maximum GPM: 10Approximate Height : 59Weight: 115Fine Mesh Resin UnitsTo order any unit with FINE MESH RESIN, simply add the suffix FM to the end of part number, then color code.