CO2 monitor w/PPM sensor for CO2-2, CO2-4 & CGC-1

CO2 monitor w/PPM sensor for CO2-2, CO2-4 & CGC-1

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$379.96
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The PPM-1c is an extremely accurate CO2 sensor. It measures the exact level of CO2 in your growing area and displays this value from 0 to 5000 Parts-Per-Million (PPM) on its digital readout.