Speed Controller - Variable Voltage
Speed Controller - Variable Voltage at HorticultureSource.com -
Speed Controller - Variable Voltage This Can-Fan variable voltage speed controller is for all 120 volt, 60 Hz. fans with less than 7.5 amps drawn. This product provides smooth sinusoidal wave, so there is no growl at running speed. This unit is a great match for the 12" & 14" Max-Fans. MSRP: $299.98