Active Air CO2 System with Timer, 0.2-2 cu ft per hour

SKU COSYS Category UPC 10638104200018 (GTIN)
638104200011 (UPC-A)
4.3 lb 4.3 lb 4.3 lb

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

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

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