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Read our privacy policyThe Canarm AX-EC Series Shutter-Mounted Exhaust Fan is a direct-drive wall exhaust fan designed for industrial, commercial, and agricultural ventilation. Featuring a high-efficiency electronically commutated (EC) motor, it provides variable-speed operation to adjust airflow to different ventilation requirements. Its heavy-duty all-aluminum-extrusion housing and automatic gravity-closing shutters deliver dependable performance for a variety of applications.