304 Stainless Steel Vent Cowl Cowl ，Bird Guard Exhaust Hood，Chimney Cowl Cap Tool，Cowl Guard Spinner，Anti Downdraught Chimney Cowl,for Roof Ventilation Ducts in Villas (Size : 200mm/7.87in)

Welcome to Stainless Steel Rotating Chimney Cowl CapStainless steel chimney cap, chimney cap shower, galvanised cooker hood cover for cookers, stainless steel smoke evacuator, rotating chimney cap, chimney cover for chimney pipes There is no noise when the roof ventilation fan rotates. The distance between the downwardly protruding slats is small enough to prevent rainwater from entering the ventilation system. 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 from the inside to the outside.Features：-- Manufactured from robust Stainless Steel.-- Suitable for use with solid fuel.-- Fits most standard chimney pots-base-- Very easy to install-only a screwdriver is required.Name: Non-powered air cap (chimney hood)Material: 304 stainless steel (internal galvanised rollers)Principle:Use the natural wind and temperature difference in the room to generate air convection andmake theturbine rotateUse centrifugal force and negative pressure to exhaust old air from the roomPrecautions:If you have any questions, please feel free to contact us and we will get back to you within 24 hours.Since our size and pictures are taken by artificial entities, there may be an error of 1-2 units between the actual object and the size due to the display and light. Please understand.

• ** Wind rotation：Rotary Turbine Ventilator,Stainless Steel Chimney Cowl Cap Very effective in preventing wind and increasing ventilation Made of stainless steel, it is strong enough to withstand 200km/h wind speed and 100KG load without damage and deformation;
• **The working principle ：the chimney hood is under the natural wind blowing, and the temperature difference between indoor and outdoor, and promote theturbine rotation in the wind cap, so that the indoor gas will be discharged, without any power loss;The gairing provides maximum protection without hindering the performance of the chimney;
• **Ensure Air Circulation: The gairing provides maximum protection without hindering the performance of the chimney.Protect your chimney from rain and moisture, which is especially suitable for chimneys that are not used frequently;
• **Use scenario:Can be used in balconies, greenhouses, canteens, kitchens, industrial warehouses, damp houses and closed or seldom used rooms or spaces to effectively removeindoor foul air and smoke,If you have any questions, please feel free to contact us, we will reply to you within 24 hours.
• **Durable material：Rotary Chimney Cowl Cap,Made of high-quality thickened 304 stainless steel, strong and durable, can withstand up to 100 kg of heavy pressure without deformation and damage, can be used year-round, no need to replace， will fit standard chimney pots, robust stainless steel construction;