This item has been discontinued. We apologize for any inconvenience. The Blueprint Controllers CO2 Regulator regulates the flow of compressed CO2 from zero to 25 liters per minute (zero to 15 cubic feet per hour). The 120-volt, 5.5-amp regulator features a solenoid valve and a tank pressure gauge for reliable operation. The fitting connects to CGA320 tank valves. This regulator kit Includes 10 feet of 3/16-inch-ID tubing, two O-ring washers, power cord with grounded plug and a three-year warranty. Additional tubing is available separately.