Titan Controls® Mercury® 4 - Multi-Function Fan Speed Controller - $60 (petaluma)

Allows user to select minimum fan idle speed between 25% & 60% of fan rating.
Enables the user to activate/deactivate low temperature safety feature.
Temperature control range is 55° F to 95° F.
6 ft temperature probe is accurate to within 2° F.
Enclosure protects internal components from dust, rust, and moisture.
6 Amps maximum/120 Volts/60 Hz.
Allows grower to select minimum fan idle speed between 25% and 60% of fan rating Enables the user to activate/deactivate 'low temperature' safety feature Perfect for use with carbon filter ventilation systems Temperature control range is 55° F to 95° F Six (6) ft temperature probe is accurate to within 2° F Plastic enclosure protects internal components from dust and moisture ETL listed in US and Canada for commercial applications 6 Amps/120 Volts/60 Hz.