
Max 6618 Cfm Custom Brushless DC Motor 120W Solar Attic Fan for Warehouse Factory Ventilation. Custom Brushless DC Motor: Features a customizable powerful brushless DC motor for high performance. High Airflow Capacity: Delivers a maximum airflow of 6618 CFM for efficient industrial ventilation. Durable Steel Housing: Constructed with heavy-duty powder-coated steel for seamless strength and durability. Long Lifespan Warranty: Solar panel covered for 15 years, housing for 10 years, motor for 5 years. Adjustable Thermostat: Includes an adjustable thermostat to automatically control fan operation. Versatile Roof Installation: Suitable for tile, metal, cement, and shingle roofs in warehouses and factories. 24-Hour Operation Option: Optional AC-DC adapter allows the fan to run 24 hours even without sunlight. Ultra-Quiet Performance: Nylon 23-inch blade and brushless motor ensure lightweight and quiet operation.