SKU:

Active Air-Timer

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.Ā 

$123.59
$90.13

    You have added a Discontinued Item.

    Please keep in mind the inventory quantity listed on discontinued items is not always accurate and these items may be out of stock at any time.

    Certain items may not be supported by the manufacturer and warranties could be limited.

    Contact Agron Customer Support for additional questions.

    support@agron.io
    877.812.4766

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