Hydrofarm CO2 (.2-2 cu ft per hour) with Timer – Active Air

Description

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.

To use Hydrofarm’s CO₂ Flow Rate Calculator, click HERE

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NOTE: Current COSYS & COSYS20 now come equipped with a black rubber O-ring that has replaced the white plastic washer.¬

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