Innovative Rotating Turbo Fan Design Base diameter is compatible with most standard chimneys, allowing easy integration. Overlapping rings optimize wind flow and provide an effective antibackdraft solution that prevents smoke from entering your space. Improves ventilation and contributes to better indoor air quality. Natural Convection Turbo Fan Enhances indoor ventilation by transforming parallel airflow into vertical airflow through natural wind and air convection. Disperses heat, odors, and dust indoors without electricity, offering an energysaving solution to help reduce utility bills. Helps keep your space more comfortable while improving air quality. Versatile Size Options and Durable Construction Available in base diameters from 100 mm to 500 mm to fit most standard chimneys. Robust stainless steel construction ensures longevity. options are available to meet specific requirements. Quiet and RainResistant Operation Designed to prevent rainwater from entering while maintaining efficient airflow. Blades rotate with increased wind to enhance air intake from inside to outside for ventilation. Suitable for home or office environments, combining functionality and durability for reliable performance. Use scenarios Residential fireplaces or wood stoves: reduces the risk of backdraft and smoke entering the room during windy conditions. Offgrid or energyconscious ventilation: operates without electricity to disperse heat, odors, and dust, helping lower energy use. Roof vents for homes or small offices: provides rainresistant, quiet ventilation that maintains airflow while preventing rain ingress.