Roof Ventilating Fan Without Power

We are a trusted Supplier, Trading Company, engrossed in offering quality assured Roof ventilating Fan Without Power to our clients in Nagpur, Maharashtra, India. Curved blades are the result of scientific computing technology. They are not only rainproof but also contribute to high efficiency ventilation. The blade will perform self rotation operations quietly in circumstances where the breeze is not less than 0.2m/s and the indoor.
In addition to flat roof, Aonuodi roof ventilating fan can also be used on pitched roof (0-22 degree)
The U.S.PEER.UBC, and Japan NSK high-precision bearing system (fully closed) with guaranteed quality. Solid spherical structure and permanently lubricated upper and lower ball bearings combine the need for maintenance and parts replacement.