When these inline duct blowers were conceived, reliability and efficiency were the main goal. Its more powerful motor combined with its aerodynamically designed shape make Vortex Powerfan the performance leader in its category. Made in Canada by Atmosphere, these high performance inline blowers feature superior steel construction with a hammertone powder coat finish. Speed controllable and balanced motors with permanently lubricated ball bearings ensure vibration-free operation. Never seen in the ventilation industry, the Vortex Powerfan VTX Seriesfeature a 10 year warranty. The bottom line: Vortex Powerfan is all about performance, reliability, and quality all wrapped up into one package to ensure peace of mind for years.