An unpowered hood is a device that utilizes natural wind force and thermal pressure difference to achieve ventilation and air exchange. Efficient, energy-saving, and environmentally friendly ventilation.
Product Description
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Product Name |
Non-powered wind cap, energy saving and environmental protection Galvanized steel |
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Application |
Ventilation Duct System |
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Material Quality |
Steels |
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Color |
Silver |
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Size |
110/150/160/200/250/300/350/400/450/500/600 |
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Advantages |
Efficient, energy-saving, environmentally |
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Business Type |
Manufacturer |


An unpowered hood is a device that utilizes natural wind force and thermal pressure difference to achieve ventilation and air exchange. Efficient, energy-saving, and environmentally friendly ventilation.

1. Rich production experience, self owned factory and equipment, integrating research and development, production, sales, and service.
2. Strong productivity, supports customization, accepts ODM/OEM services, fast delivery time, and competitive prices.
3. Convenient geographical location, adjacent to Shanghai, Ningbo, and Yiwu, with convenient and fast sea and land transportation.
Our products are exported to Southeast Asia, the Middle East, Africa, Europe, Australia and other countries and regions. We welcome domestic and foreign customers and friends to come and inspect cooperation! High quality service, consistent, worry free after-sales, customer first.