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Automatic Shut-off– User-selectable time until meter shuts off to conserve battery life
Offers silent operation
EZ-CLONE Cloning Collars are available in 17
The support strings pull out and retract like a yo-yo
Active Air-Timer reflective-and-greenhouse-films Automatic Shut-off– User-selectable time untilDeliver 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.