Our Price $499.99 American Agritech CO2 injector click here. Green Air CD-12 LP CO2 Generat click here. Item # 80-1028 Quantity

Precise digital CO2 controller
The simplest, most affordable CO2 controller available. Proven technology is very accurate at measuring levels of Carbon Dioxide in your growing area from 0-5000 parts per million (PPM). Using the PPM-3 is quire simple. Just plug in your CO2 device and it will automatically turn it on and off to maintain the level you specify. The PPM-3 works with all makes of CO2 valves and generators that operate on 120 VAC.