Inline Centrifugal Fan by TCF Azen | Low Pressure | High Pressure
Suncourt DB306E Axial In-Line Inductor Air Duct Fan (6 inch) for Exhaust, 2 Speed Air Conditioning Vent Booster, Prevents Air Leaks, Includes Electrical Box, Silver - Amazon.com
In-line Fans - Fantech Trade
SQN - Loren Cook Company
What parts do I need to install an inline fan in my bathroom?