The C.A.P. PPM-3 is the easiest and most affordable CO2 Monitor and Controller available today… Its’ proven technology is very accurate at measuring levels of carbon dioxide in your grow room from 0 to 5000 ppm (Parts-Per-Million).
It’s easy! Just plug your CO2 device (CO2 valve or generator) into the “piggyback” cord and it will automatically maintain the CO2 level that you specify.
• A CO2 monitoring device and a CO2 PPM controller in ONE!
• Controls Carbon Dioxide levels with parts per million (PPM) accuracy
• Least expensive CO2/ PPM controller in its class!
• Selectable set point from 0-5000 PPM
• Controls any 120V valve or CO2 generator with a simple “piggy-back” cord