The Atlas 2 - Preset CO2 controller is the most simple and straightforward CO2 controller available in the industry today! It's factory calibrated & preset to maintain the CO2 level in your garden at 1500 PPM. It features a built-in photocell that allows the Atlas 2 to operate only in the 'daytime' period when your plants can process CO2. Another industry first, brought to you by the design team at Titan Controls! Preset at 1500 PPM for maximum plant benefit Simple to operate Easiest and most straightforward CO2 controller in the industry today! Features built-in 'self calibration' function Integrated photocell enables operation during daylight hours only Factory calibrated ETL listed for use in commercial applications 120 Volts/15 Amps/60 Hz.
