Stainless Steel Rotating Chimney Cowl Cap 300mm - Anti-Downdraught Spinner for Improved Ventilation - Easy to Fit Rotary Chimney Cover - Perfect for Fireplaces, Wood Stoves & Outdoor Heating Systems

Rotary Chimney Cowl Cap is of excellent quality and construction， ver substantial in weight， looks lovely on top of the chimney， spinning away.No noise at all even in strong winds.You can use it for your own homes and future projects.prompt：Rotary chimney cowl is a device， which， in a dynamic way， uses force of the wind to increase chimney draught. The turbine always rotates in the same direction no matter of the wind strength or its direction. when there are wind fluctuations on the chimney duct ending， caused by its bad location when there is an unfavorable terrain configuration， with strong and frequent winds when there is a lack of chimney draught or it is too weak in order to improve the natural (gravitation) ventilation do not use on wood stoves do not use on coal stovesTypical Downdraught Symptoms:If you experience smoke & fumes coming (puffing) out of the fire place or stove in windy conditions.If you experience smoke & fumes coming out of the fireplace or stove when the wind is blowing.Size:φ：300mm，Size:430*430*330cm.φ：400mm，Size:530*530*430cm.If you have any doubts about the product， please send us an email， we will give you a satisfactory reply as soon as possible

Made of 304 stainless steel metal， very light， preservative and resistant to the weather. It is installed easily and quickly to the extraction pipe.

Rotating hood for ventilation pipes， smoke chimneys， and air extraction.Model for round pipes of 300/400 mm(Optional) diameter.

It avoids that the wind enters with force inside the pipe， chimney， stove， etc.， avoiding this way the undesirable effect of the house full of smoke.

Hat designed to rotate with the action of the wind， so that the more the wind blows， the more the blades turn， and the more powerful is the air aspirate from the inside out.

In order to facilitate packaging， the product you received is disassembled and you need to assemble it yourself. This will be a very interesting DIY process