brass, the control valve is metered, the mineral tanks are fiberglass reinforced plastic NSF approved, the brine tank is polyethylene, the media is Cation resin; high capacity. The Mineral tanks are 21"x62" and hold 7 cubic feet of resin and 100 lbs. of #20 filter media, the brine tank is 24"X 50" and

brass, the control valve is metered, the mineral tanks are fiberglass reinforced plastic NSF approved, the brine tank is polyethylene, the media is Cation resin; high capacity. The Mineral tanks are 21"x62" and hold 7 cubic feet of resin and 100 lbs. of #20 filter media, the brine tank is 24"X 50" and