VORTEX VTX400P 198 CFM 4" Dryer Booster Fan

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 the 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.   198 CFM Supplied with mounting bracket for easy installation. Suitable for airstream temperatures up to 140°F. Aerodynamic design allowing more airflow. Heavy gage steel casing with a hammertone powdercoat finish, making it more sound absorbing, durable, impact resistant and rustproof. High quality maintenance-free balanced motor, making it vibration free, quieter and longer lasting. Extended collar and lip, allowing easy duct hook-up. Optional speed control easing air flow adjustment, allowing better balan