Ducted ventilation is widely used in buildings where air must be extracted from enclosed rooms and transported to a designated outlet. An inline fan installed within the duct route can help move air through the system while keeping the equipment away from the main occupied space. A Metal Duct Inline Exhaust Fan by Wadbros is a relevant keyword for customers looking for metal-bodied fans intended for ducted air extraction. Its suitability depends on the individual product's design and documented operating characteristics.