Schaefer shutter-style exhaust fans offer an energy efficient solution to meet low to medium exhaust airflow requirements. These exhaust fans work perfectly in thin-walled buildings requiring exhaust fans with a low profile such as greenhouses.

• Low profile for thin-walled buildings and where space is limited
• Aluminum blade and rugged PVC shutter for durability and longer life
• Heavy-duty totally enclosed and maintenance free motors
• Mounts flush to the exterior wall