Vortex 347 CFM S Line S-600 Fan, 6"

The s-line is a revolutionary series of fans that combine energy efficiency, Ultra-quiet operations & a collection of advanced technologies that deliver unparalleled performances. An extremely energy efficient AC Brushless Motor powers the patented mixed-flow dual impellers. Built with double insulated walls, noise is reduced to levels that were previously thought to be unattainable. All s-line models are assembled with high impact resistant polycarbonate casings, an integrated back draft damper & a mounting bracket designed for quick & easy installation.