The Titan Controls CO2 Regulator has a precision accuracy flow meter (.5 to 15 SCF/hour) that helps increase overall plant growth and is powered by 6' - 120 volt grounded power cord. It is compatible with Titan Controls CO2 Controller (#702700) or other 120 volt controllers & timers. This product features heavy-duty solenoid valve, brass construction for long-lasting dependability and durability. The Titan Controls CO2 Regulator is perfect for your hydroponic and horticultural needs! Includes 12' of CO2 dispensing line, high quality oil-less pressure gauge and two plastic tank washers. 3 year warranty.