Rated 5 out of 5 stars.
Need to dial in the perfect speed for your motor or fan?
This 4000W voltage regulator lets you adjust AC output from 0 to 220V.
Comes with the controller, case, and fan.
New, unbranded, but solid for workshops, exhaust fans, or industrial gear.
MPN 4000W.
Just wire it up and take control.
