Fumex Direct and Belt Drive Centrifugal Upblast Roof Exhausters are designed for medium to high pressure applications. While suitable for general ventilation, Fumex fans are specially designed to discharge contaminated or grease-laden air or heat/smoke up and away from building surfaces. The optional Fatrap restaurant grease exhaust configuration makes Fumex fans particularly suited for all food service applications and chemical fume hoods. Additionally, the heat & smoke configuration is used in case of emergencies or high-temperature exhaust applications.