The Titan Controls Mercury 4 day / night multi-function fan speed controller puts you in complete control of your indoor garden ventilation requirements. 

You can lower the exhaust fan idle speed between 25% and 60% of fan rating. It is up to you whether you activate or deactivate the low temperature safety feature.

The Mercury 4 fan speed controller is perfect for use with carbon filter ventilation systems.

Plug your ventilation equipment into the Mercury 4, set the high / low fan idle speed, set the day / night mode and you're in business. Temperature control range is 55°F to 95°F and the 6-foot temperature probe is accurate to within 2°F.

The rugged plastic enclosure protects internal components from dust and moisture often found with indoor gardening.

ETL listed in US and Canada for commercial applications. Carries a 3 year warranty. 6 Amps/120 Volts/60 Hz.

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