Hydrofarm CO2 System 1-20 CFH w/Timer

CO2 Systems deliver growth-boosting CO2 to your plants. This one is easy to use and has a programmable timer that will automatically maintain ideal CO2 levels for optimal growth. Use this one for any area greater than 10ft x 10ft. Regulator, timer, solenoid, precision flowmeter and distribution tubing included. CO2 tank not included.