Sunleaves Wind Tunnel 6″ In-line Exhaust Fan

Energy Efficient, Serious air Power, High Volume and pressure
Quieter operation the metal fans, Durable, vibration-absorbing material
Permanently Sealed and lubricated bearings, Installs in any position (Mounting hardware included)
Class B thermal protective auto reset, Rated for moist environments
5 Year Warranty

For inline ventilation, Sunleaves WindTunnel fans are the way to go. These fans have permanently sealed and lubricated ball bearings which, supports the zero-resistance blade rotation for smooth, dependable operation. The durable plastic WindTunnel 6 casing helps to minimize noise. Pushing 409 cubic feet per minute, this 120-volt, 70-watt model has an 11″ total diameter and 6″ opening to accommodate ducting of the same size. To top it off, Sunleaves WindTunnels come with a five-year warranty.