Active Air CO2 System with Timer, 0.2-2 cu ft per hour
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.
NOTE: Current COSYS & COSYS20 now come equipped with a black rubber O-ring that has replaced the white plastic washer.
We accept returns on non-sale items that are in original packaging, unused, and unwashed within 30 days of receipt. Please follow our returns/exchanges process below. If items do not meet our requirements for return, they will be shipped back to you in lieu of a refund. Shipping and handling charges are non-refundable (exceptions may apply).
Returns & Exchanges Process: If item(s) fit within our returns guidelines found in the Returns. Please allow 7-10 business days for the credit to appear on your account after your return is processed.
