Roof Turbine Ventilator, 304 Stainless Steel Roof Wind Turbine Cap Vent, Round Ventilation Exhaust Heat Dissipation Vent, Rotating Ventilator Cap, for Ducts, Factories, Farms, Houses(110mm/4

Roof VentilatorZero consumption:Using natural wind and air-heat convection caused by the temperature difference between indoor and outdoor to drive the turbine to rotate,In this way, centrifugal force and negative pressure are used to discharge the stale air in the room.Features: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 debrisSpec:Item Type: Roof VentilatorMaterial: 304 Stainless Steel (galvanized inside)Function: ventilation, exhaust, ventilation, heat dissipationSize: Diameter110mm/4.3in , 160mm/6.3in , 200mm/7.9in , 250mm/9.8in , 300mm/11.8in , 400mm/15.7inPackageList:1 x Roof VentilatorNote:✔ The product is hand-measured, please allow an error of 1-3 cm, please confirm that you do not mind before placing an order.✔ 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.

• Stainless Steel Chimney Cowl: roof turbine vent is made of thickened 304 stainless steel material,strong enough to withstand 200km/h wind speed,100KG load,no deformation or damage.
• No Noise and Rainproof: The roof vent turbine makes no noise during rotation.The encrypted blade clearance is small enough to prevent rainwater from entering the ventilation system.It also deters birds and rodents.
• Rotary Turbine: The turbine ventilator applies the theory of convection between natural wind and air to accelerate and transform any parallel airflow into vertical so as to improve the indoor ventilation.
• Versatile Application: Perfect for a wide range of settings including chimneys, farms, factory roofs, commercial spaces, ventilation ducts, residential buildings, warehouses, and more. Enhance air circulation and maintain optimal indoor conditions effortlessly.
• Effortless Installation: With the flexibility to be installed under slopes ranging from 0 to 22.5 degrees, Easy to Install for the turbine vent,Install all accessories into shape and install it where needed.