CAP PPM-3 CO2 Controller, Complete w/PPM Sensor
The PPM-3 from C.A.P. is the most affordable and simple CO2 controller available. Its proven technology is very accurate at measuring levels of carbon dioxide in your growing area from 0 to 5000 ppm (Parts-Per-Million). Using the PPM-3 is quite simple. Just plug your CO2 device into the piggyback cord and it will automatically maintain the CO2 level that you specify. The PPM-3 works with any make of CO2 valve or generator that is 120 volt and less than 1/2 amps.

http://www.coasthydroponics.com/p/220/95.html
1319 South Coast Highway Oceanside, CA 92054
760-966-1885
Regular Price: $439.95
Our Price: $379.95
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