Circulate air more efficiently in ovens, paint booths, evaporators, kilns, and other industrial drying applications with the Hartzell Series 12 Centrifugal Plug Fan. This unhoused centrifugal plug fan incorporates Hartzell’s tested and proven “PL” wheel, featuring heavy-duty single-thickness airfoil blades. Designed for plenum installation, Series 12 Centrifugal Plug Fans circulate air in a wide range of industrial drying applications. Built for easy installation, the Series 12 Plug Fan features a self-contained mounting panel, available with or without an insulated plug. Motors and drives are located outside of the air stream, contributing to efficiency, ease of installation and maintenance.