It's also a bad idea to use an existing roof vent for bathroom exhaust. You'll partially block the vent with the duct pipe, reducing the flow of cooling air through your attic. Moreover ...

【Anti-corrosion Material】This roof vent cap is crafted from high-quality iron, featuring a black coating on its surface. This effectively isolates the vent from the external natural ...

The output vent extends through a wall or the roof. Besides being quieter than a ceiling mount fan, an inline fan can serve more than one bathroom at the same time. If the bathroom has an exterior ...