Fuliko 7.9-Inch Exhaust Roof Flue Vent, Steel Roof Vent with Wind Cover, Round Rotating Flue Vent for Chimney Cover and Flue Caps

Specifications: Color: Silver; Material: steel; Overall Dimensions: 280x230 mm / 11x9.05 inches (D*); Base Diameter: 200mm / 7.9 inches; : 1 Roof Vent Advantage: steel offers corrosion resistance, strength, resistance, and appeal, making it . The roof vent double, tightly spaced blades that provide airflow and . It efficiently exhausts stale indoor air while rainwater from entering the ventilation . Instruction: Install the Steel Roof Wind Vent the roof in location that allows for optimal airflow. Then that the vent is securely fastened to the roof to any leaks. And the rotating roof vent will automatically utilize the temperature difference between indoor and air to create convection and exhaust stale air. Application: This is unpowered exhaust with spherical design that is suitable for industrial buildings, factories, workshops, farms, and etc. The product principle utilizes the temperature difference between indoor and air to create convection, the to rotate. The negative pressure effect of centrifugal is then to exhaust stale indoor air. It is to install and requires no external source. NOTE: proper installation to leaks and efficient . Also, regularly inspect the vent for any debris or obstructions that may affect airflow.