Titan Controls® CO2 Regulator (FREE SHIPPING)

Compatible with Titan Controls® CO2 Controllers or other 120 Volt controllers and timers. Precision accuracy flow meter—0.5 to 15 SCF/hour. Features heavy-duty solenoid valve. High-quality oilless pressure gauge. Includes two plastic tank washers and 12 ft of CO2 dispensing line. Brass construction for long-lasting dependability and durability. 1 Amp/120 V/ 60 Hz.

Here is a Co2 calculator Link: https://www.hydrofarm.com/Resources/CO-Flow-Rate-Calculator