Fantech’s FKD 12 XL is a mixed‑flow inline centrifugal fan for 12‑inch (305 mm) round ducting. Its galvanized steel housing and external‑rotor motor with sealed ball bearings support continuous duty, and the mixed‑flow impeller balances high airflow with useful pressure capability. At free air (0 in. w.c.), the FKD 12 XL delivers 2,016 CFM, approximately 3,425 m³/h. The 115 V single‑phase model runs at 1,700 RPM, draws up to 4.80 A, and is rated around 500 W. It is 100% speed‑controllable with appropriate voltage controllers and is suitable for airstream temperatures up to 140°F. Typical uses include supply or exhaust in commercial or residential systems, such as range‑hood exhaust or general ventilation where straightforward inline installation and robust construction are required.