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Progrow Multi-Fan Controller (AC & EC) Progrow
The most versatile fan controller on the market, the GHC/Progrow Multi-fan controller runs virtually any fan available with no worries. The Multi-fan controller gives growers full control over what type of fan they control on intake and extract (e.g. Hyperfan/Box fan etc.), has a fan balancer built in, can control day & night temperatures and can adjust day and night humidity levels. EC fans (such as Hyperfan) are becoming more and more popular due to their obvious benefits over old-style motor design. The problem traditionally has been finding a suitable, reasonably priced twin controller to provide independent control of t..

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