Active Air-Timer Options:Hydrofarm CO2 (.2-2 cu ft per hour) with Timer The AG900 kit comes with

The AG900 kit comes with an MIMW802 hand held microprocessor

(4) Yucca - 2 oz

forged steel alloy construction blade designed for easy cutting up to 3/4 inch diameter

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Looks like Powdered Sunshine

Active Air-Timer Options:Hydrofarm CO2 (.2-2 cu ft per hour) with Timer The AG900 kit comes withDeliver 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.