3" 4" 6" 8" Rotating Roofing Wind Turbine Stainless Steel Non Power Roof Ventilator Dryer Exhaust Hood Leak Proof Roof Flue Vent(200mm/8in)

Stainless steel rotating chimney cover suitable for most standard chimney pots to prevents wind and increase ventilation.Name: Roof Rotating Ventilator CapMaterial: 304 stainless steel (galvanized inside)Size: Diameter75mm/3in , 110mm/4in , 160mm/6in , 200mm/8in , 250mm/10in , 300mm/12in , 400mm/16in , 500mm/20in , 600mm/24inFunction: ventilation, exhaust, ventilation, heat dissipationFeatures:1 weather-resistant curved blade2. Zero energy consumption cover, environmentally friendly and durable3. High speed, low noise, prevents the pipe from being clogged by nests and debrisTips：1.The product contains only stainless steel vents and does not contain any of the products shown in the figure.2.The product is hand-measured, please allow an error of 1-3 cm, please confirm that you do not mind before placing an order.3.The product is genuine, but due to factors such as shooting angle, light, display parameters, etc., the actual color may be different from the photo, and the actual product shall prevail.

• Thickened stainless steel material：The roof vents are made of high-quality 304 stainless steel, galvanized bearings, strong bearing capacity, No Deformation.
• Wide range of application: Rotating Ventilator Cap Vent Suitable for farms, industrial plants, warehouses, factories, roofs, chimneys, etc.
• No electricity required: Unpowered Rotation, Turbines Ventilator Automatic exhaust all day without electricity, reducing short circuits or voltage overloads.
• Roof Wind Turbines Cap Vent: Roof Ventilator High speed, no noise, strong enough to withstand a wind speed of 200 km/h.
• Working principle: Use the natural wind and air heat convection caused by the temperature difference between indoor and outdoor to drive the turbine to rotate and exhaust the old indoor air.