Ventilator Turbines, Stainless Steel Pipefit Roof Ventilating Fan Wind Turbines for All Weather, Rotating Chimney Cowl Cap Air Vent Attic Ventilator for Houses Factory Attic Farm

Roof Ventilator Wind Turbines Cap Fan Air Vent Round Exhaust Hood Waterproof Leak Proof Caliber Chimney Flue Cover Sturdy Roof Vent Material: 304 stainless steel Advantages: discharge indoor hot air and dirty air, purify the indoor environment Principles: Utilize natural wind and indoor temperature difference, air -to -flow drives turbines rotation. Eliminates the old air in the room with centrifugal force and negative pressure. Application: For the ventilation of exterior walls such as bathrooms, kitchens, warehouses, residences, apartments, etc. packing list: 1* No dynamic ventilated port Size - The package includes: 110mm (4.3 inches) ventilation cap×1, clamp×1 160mm (6.3 inches) ventilation cap×1, clamp×1 200mm (7.9 inches) ventilation cap×1, clamp×1 250mm (9.8 inches) ventilation cap×1, clamp×1 300mm (11.8 inches) ventilation cap×1, fixed foot×3 350mm (13.8 inches) ventilation cap×1, fixed foot×4 400mm (15.7 inches) ventilation cap×1, fixed foot×4 If you have any questions about the product, please feel free to contact us, our professional customer service team will answer your doubts

• The roof ventilator is made of high -quality 304 stainless steel. It is solid and , integrated, without deformation, smooth surface, no sharp angle.
• Roof turbines ventilation is suitable for chimneys, farms, factory roofs, ventilation pipelines, houses, warehouses, etc.
• The intensity is enough to withstand the wind speed of 200 km/h, and 100 kg of load without deformation or damage.
• Roof wind turbines, ideal choice for residential or light commercial use. Stainless steel turbines is suitable for any roof
• Arc -shaped wind leaves can ensure that the rainwater never invades. High winding efficiency, light , prevents rainwater from invading