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Indoor Grow Partner For Environment Control:The Mars Hydro 6 inch inline duct fan and carbon filter combo ventilation kit is capable of ventilating and filtrating a 3x3 grow tent
Inclusions and Origin: Each purchase of the Airbox 4 comes with a pre-filter
the duct muffler significantly reduces noise coming from airflow in various ventilation systems
user's manual
Active Air CO2 System with Timer, 0.2-2 cu ft per hour Water Heaters Chillers Indoor Grow Partner For EnvironmentDescription 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