Round Roof Exhaust Chimney Cap 4in/6in/8in/10in/12in/16in, Outdoor Roofing Turbine Ventilator Chimney Rain Cover, Stainless Steel Wind Ball for Home/Dryer/Pipe/Flue/Shed Roof

---> This Roof Ventilator is a dependable rotary that works automatically, continuously and silently without operating or maintenance costs. ---> Rotating hood for ventilation pipes, smoke chimneys, and air extraction.The gairing provides maximum protection without hindering the performance of the chimney. ---> Product Specifications - Material: 304 Stainless steel - Color: Silver - Shape: Round - Connect size: 110mm/4.3 in , 160mm/6.3 in , 200mm/7.9 in , 250mm/9.8 in , 300mm/11.8 in , 400mm/15.7 in Stainless steel turbines fits any roof. Ideal for residential or light commercial use. ---> Brand new upgrade, major features 1. Variable Angle Design - It can make the fan easy to install under 0-22.5 slant. mooth Surface - Smooth appearance and unique designwhich is very popular. 3. Curved Blade - It can ensure that the rain will not be immersed in the working state, high exhaust efficiency. 4. Internal Components - Double filtration capacity and low resistance. Filter rate 95%, Light mask, Safe & carefree. 5. Galvanized Bearing - The wind speed intensity is higher. The load is stronger, it's not easy to be damaged or deformed 6. Power & Maintenance Free - Automatic exhaust all day without electricity,it can reduce the fire and other troubles causedby short circuit or voltage overload. 7. Noiseless & Durable - There is no noise when the fan is running, and the core of the fan is fully enclosed bearing, The blade base is made of stainless steel, which is anti-aging and long service life. ---> Package List 1 x Roof Turbine (Including all installation accessories.) ---> Important Hint !!! For better waterproofness, it is finally recommended to seal the outer gap between the turbine neck and the base with silicone, and clean the roof after installation. ---> Please Note: 1. Items may slightly differ from photo in terms of col