VORTEX POWERFAN 6” IN-LINE DUCT FAN VTX600-A – 497 CFM WITH VARI-SPEED SPEED CONTROL KIT MANUFACTURED IN CANADA, THE VORTEX POWERFANS IN-LINE DUCT BLOWERS ARE IDEAL FOR USE IN GENERAL PURPOSE EXHAUST AND DUCT BOOSTING APPLICATIONS. THE VARIABLE SPEED CONTROL FAN KIT INCLUDES A VORTEX POWERFAN 497 CFM VTX600 AND A VARI-SPEED SPEED CONTROL. THIS KIT ALSO COMES WITH GALVANIZED MOUNTING BRACKETS ALLOWING EITHER HORIZONTAL OR VERTICAL INSTALLATION.