Active Air Hydrofarm CO2 (1-20 cu ft per hour) with Timer

Product Details 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 Specs Attribute name Attribute value Barcodes 10638104200056 (GTIN) 638104200059 (UPC-A) Dimensions 18.5L x 20.0W x 14.8H (CS) 9.8L x 8.8W x 7.0H (EA) 40.0L x 48.0W x 66.0H (PL) Shipping Weight 4.4 lbs.

Offers both performance and value High quality materials User friendly Assembly required