Active Air CO2 System with Timer, 0.2-2 cu ft per hour veg nutrients This function enables dynamic fan

This function enables dynamic fan speeds to adjust according to varying room temperatures

Inland 70 Ultra Vacuum Pump Oil

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Active Air CO2 System with Timer, 0.2-2 cu ft per hour veg nutrients This function enables dynamic fanDescription User friendly CO2 system: Boost growth with our system. It features a programmable timer that automatically maintains ideal CO2 levels for optimum growth. For areas small to medium in size, select the COSYS. For areas larger than 10' x 10', select the COSYS20. CO2 Flow Rate Calculator: To use Hydrofarm's flow rate calculator, click HERE. Update on COSYS & COSYS20: Please note that current models now come equipped with a black rubber O