Vortex VTX400P 198 CFM 4" Dryer Booster Fan

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Vortex Powerfans VTX400P inline blowers, for 4 in diameter duct, are ideal to solve the problems caused by long duct runs on clothes dryers. In a clothing dryer application, when t he dryer is turned on, the VTX400P has a built-in automatic pressure switch that detects when air is flowing through the ventilation duct. It will automatically turn on for a period of 10 minutes and shut off for a period of 15 seconds and turn back on if there is still positive pressure from the dryer. Not suitable for gas dryers. FREE SHIPPING Show more