Vortex Dial-A-Temp Fan Speed Control
Variable Speed Control
Specially designed for controlling the speed of inline, mixed-flow and centrifugal ventilation fans. Simply turn Dial-A-Temp to your desired speed for extraction of warm air from growrooms and lighting systems. Exclusive features: easy installation with dual plug-in and ground socket. UL-recognized components, factory tested. Modern design with rugged fire retardant enclosure.