EZ-RO reverse osmosis system, EZ-RO 650/30ATM-BL combines RO water & mineral-addition followed by a precision blend valve for variable TDS adjustment to produce up to 650 gpd; includes a 30-gallon atmospheric storage tank with electric repressurization pump, integrated prefilter, RO membrane, mineral-addition cartridge, TDS monitor, operating pressure gauge and full system bypass valve. Includes installations kit with tubing, fittings and hardware for wall-mount, or free-standing with optional bracket. RO production is expandable to meet future requirements, NSF certified (EV997577)