G.A.S - EC5 Fan Speed Controller Bulky organic options like Ecothrive Trace

organic options like Ecothrive Trace work differently and cost more

Those systems are cheaper upfront

Many growers buy two or more to create layered airflow

This is specialist kit for growers running hydroponic systems where natural soil microbes don't exist

Just consistent

G.A.S - EC5 Fan Speed Controller Bulky organic options like Ecothrive TraceG. A. S EC5 Fan Speed Controller Our thoughts Solid airflow performance without excessive noise or cost. Performs consistently when you need it to. The latest EC fan controller (GAS EC5 Fan Speed Controller) from Global Air Supplies allows you to control every aspect of your intake and extraction system, giving you the ability to fine tune your setup for the perfect environment. Not only will you be able to control your fans thermostatically, you also