Exhaust Fan Aluminum Gusset Plate Ceiling Type Pipeline Exhaust Fan Hotel Toilet Engineering Integrated Ceiling Ventilation Fan ,Easy to Use

The windshield is installed at the air outlet, which can effectively prevent the mosquito from entering the smoke Archimedes spiral air duct with centrifugal wind wheel, large air volume and low noise 10-inch large air volume, suitable for specific public places to quickly change air The built-in thermal protector is safe and reliable when power failure exceeds 145°C Spring design, easier to install