Non Power Roof Ventilator Outside Dryer Vent Covers,Chimney Cap Rotation Air Vent Outlet, for Chimney/Shed Roof Industrial Rotating Roofing Ventilator, Wind Driven

Rotating chimney flue roof rain cover rotating cap rotator anti-downdraft bird cover Made of 304 stainless steel metal, very light and weatherproof. It installs easily and quickly onto the extraction pipe. Rotating hoods for ventilation ducts, chimneys and extraction. Guards provide maximum protection without hindering the performance of the chimney. How It Works: The rings of this chimney cap are specially designed and placed over another ring so that wind cannot travel down the chimney, making this cap the perfect anti-downdraft solution. This pot will not let oil smoke -- Made of sturdy stainless steel. -- Suitable for use with solid fuels. -- Fits most standard chimney bases --Installation is easy - just a screwdriver is needed. -- Not for use with anthracite fuel or any other fuel containing more than 20% moisture. Specification: Size: as shown in the picture Material: Stainless steel Package Contents: 1*stainless steel top cover If you have any questions, please feel free to contact us and we will respond to you within 24 hours. WARNING: If your chimney is more than 1 meter from the top of your roof, any downdraft hood may become ineffective. Typical downdraft symptoms: Smoke coming out of a fireplace or stove when the wind blows. NOTE: This is an anti-downdraft hood. Downdrafts are produced only by wind. If the problem (fireplace/stove smoke) exists when there is no wind, the problem is not downdraft.

• Perfect Protection: The thickened stainless steel rotating chimney cap spinner fits most standard chimney pots, preventing wind blowing and increasing ventilation. Protect your chimney from rain and moisture, especially suitable for chimneys that are not used frequently.
• Multipurpose: The swivel hood is suitable for ventilation ducts, chimneys and exhaust vents. The hood provides maximum protection without affecting the performance of the chimney. Protect your chimney from rain and moisture, especially suitable for chimneys that are not used frequently. Stainless steel construction with thickened mounting feet; complete mounting kit included
• Design: The hat is designed to rotate with the action of the wind, so that the more the wind blows, the more the blades rotate, and the more powerful the air intake is from the inside to the outside. Prevent exhaust gas backflow, promote inhalation, improve combustion, and protect the chimney from external influences such as rain and snow. It can prevent strong winds from invading pipes, chimneys, stoves, etc., thereby avoiding the adverse effects of chimneys.
• SIZE: Bottom diameter fits most standard chimneys. The bottom diameter is 100mm, 110mm, 150mm, 160mm, 200mm, 300mm, 350mm, 400mm, 450mm, 500mm. Suitable for standard chimneys, the stainless steel structure is sturdy and supports customization.
• Rotating Chimney Cap: Choose size based on pipe outer diameter. The rotor ball spins with minimal wind force, not only standing on the roof but also providing excellent performance. Ventilation ducts, chimneys and swirls of exhaust gases…