Active Air CO2 System with Timer, 1-20 cubic ft per hour Humidity Dome and above the canopy

and above the canopy

The go-to for hand held conductivity pens

and the nitrogen promotes vegetative plant growth

you can adjust the PSI according to your specific requirements

each cylinder offers measurements in milliliters

Active Air CO2 System with Timer, 1-20 cubic ft per hour Humidity Dome and above the canopyActive Air CO2 System with Timer, 1 20 cubic ft per hour Product Details Deliver growth boosting CO2 with our user friendly, easy to operate system. With its programmable timer, it will automatically maintain ideal CO2 levels for optimum growth. For small to medium size areas, select the COSYS; for larger than 10' x 10' areas, select the COSYS20.