VFSC Variable Fan Speed Controller. Three settings – full, variable and off. When variable is selected speed is controlled with knob. 6 ft. – 120 volt power cord and up to 15 amps.
Possible homebrewing uses: Control a DIY stir plate or control a kegerator recirculating fan. Make sure the specs on this match your intended use.
HBF Reader Matt Says… “I’m using this exact device to control in inline fan off the hood over my brew kettle. It works fantastic.”
Update: Since this post was published the price, availability or promotion has changed. Check the product page for current description, price and availability. Also: Today’s Deals on Amazon