Grozone Controls USCO2 0-2000 PPM Single Zone Ultra Simple CO2 Controller for Plants by Grozone Controls

الوصف

No bells and whistles, very easy installation, just connect your CO2 generator;User may select one among five preset CO2 control values;User can select one among five preset Elevation values for improved CO2 control in higher altitude;Day/night detection to turn off CO2 enrichment during the night