High speed direct drive centrifugal upblowing exhaust fan for restaurant grease and general ventilation applications. 6300 CFM/2 HP 208-230V single phase motor, 13.5 FLA. Mounted on roofs or walls, exhaust fan features a high-quality, lightweight, corrosion-resistant construction aluminum. The waterproof design ensures smooth air suction in humid environments, and oil discharge hole make it easy to clean. 30-day warranty. Technical support is available after purchase. Note:Pre-wired is 220V, this exhaust fan cannot be used with a speed controller.