Roof Wind Rotating Turbines Cap Vent, Exhaust Cap Roof Flue Vent, Round Rotating Roof Vents, Attic Air Vent Ventilating Fan, Vent Automatic Rotation by Wind/air Flow No Consumption(450mm/17.

Features:1. Automatic Silent: This roof ventilator is a reliable rotating, automatic working, continuous and silent operation with maintenance costs.2. Functional: Designed to release your roof air in just a few minutes, unaffected by rain and , suitable for chimneys that are not used frequently.3. Stainless Steel Material: Stainless steel material is very strong and resistant to rust. It can also withstand high temperatures and acid and alkali , making it suitable for use in harsh conditions.4. Sturdy and Durable: Premium roof ventilator is sturdy, durable and ideal for residential or light commercial use.5. Operation Principle: This chimney hood ring is specially designed to be very effective in preventing wind and increasing ventilation. Specifications:-Name: Roof VentilatorMaterial: 304 stainless steelAdvantages: discharge indoor hot air and dirty air, purify the indoor environmentPrinciples: 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.Size: 110mm/4.3in , 160mm/6.3in , 200mm/7.9in , 250mm/9.8in , 300mm/11.8in , 350mm/13.8in , 400mm/15.7in , 450mm/17.7in , 500mm/19.7in , 600mm/23.6in Package Contents:--1 x Stainless steel top cover (With Accessories) Note:--Due to light and personal differences in color understanding, there will be small color differences in kind.--Due to different measurement methods, the error is generally 1-3 cm and the error range is not within the quality range.

• - **High-Quality Material**: Constructed from 304 stainless steel, our roof turbines vent ensures long-lasting performance and resistance to rust, providing an effective exhaust solution for your attic and gable areas.
• - **Efficient Operation**: Utilizing natural wind currents and outdoor temperature differences, this rotating ventilator drives the turbines to enhance ventilation, effectively reducing heat buildup in your home.
• - **Rain Protection Design**: Featuring tightly packed curved fan blades, our vent cap prevents rainwater from entering during operation, ensuring your space remains dry while maintaining optimal airflow.
• - **Versatile Applications**: Ideal for various settings, including as an exhaust flue or in residential and commercial roofing systems, the roof turbine vent is perfect for enhancing airflow in attics and promoting energy efficiency.
• - **Easy Installation & Support*: Our ventilator comes with a removable frame for straightforward installation, and we offer dedicated after-sales support to address any questions or concerns you may have, ensuring full satisfaction with your purchase.