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Grozone USCO2 Controller - Low Cost, High Quality CO2 Controller

Are you satisfied with the value line CO2 PPM controllers?  High return rates got you and your staff running in circles? Do you want to sell something better? No bells and whistles, just connect to your CO2 generator or regulator and you're set! This is Grozone's beginner solution for growers looking for affordable and easy-to-use CO2 controller.

• User can select one among five preset CO2 control values (1000, 1125, 1250, 1375 and 1500 PPM).
• User can select one among five preset Elevation values for improved CO2 control in higher altitude (sea level, 1000, 3000, 5280 and 7000 feet).
• 3-LED Display shows ambient CO2 value (7 ranges between 899 and 1601 PPM).
• Day / Night detection to turn off CO2 enrichment during the night.
• One-button calibration in fresh air (400 ppm).
• 5-Amps Output (for CO2 burner valvue or regulator coil).
• 1% return rate for entire Grozone line in 2011
• Includes a photocell - No timers needed!

Included with USCO2:
• One plug-in type module
• One user guide
• One screw kit

3 year full no-hassle warranty!