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C.A.P. (Custom Automated Products) PPM4 C.A.P PPM-4 CO2 Monitor Controller Carbon Dioxide Hydroponics PPM4 CAP Sensor
The cap ppm-4 is the newest addition to (No Suggestions) co2 metering lineup, offering indoor gardeners the most economic and simplest method of monitoring and controlling co2 dispersal throughout their growing area. The simplicity of this unit will make it attractive to both the beginning hobbyist and the seasoned grower alike. Operating the cap ppm-4 is as easy as mounting the meter to the wall, plugging the meter into the power interface and plugging in your co2 generator or regulator. The ppm-4 utilizes a highly visible and intuitive LED indicator display to let you know generalized co2 levels at a glance

Price is $125.00
Price: $125.28