Vortex S-line Ultra Quiet Fan 8 Inch 728 Cfm
232 watt @ 120v. Only 3.14 CFM per watt. 728 CFM, 10 year warranty, The NEW Vortex Powerfan S-Line Ultra Quiet fans are here. Introducing the quietest inline duct fan on the market, the Vortex S-Line is completely different from the competition, and specifically designed for the indoor grower.