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Product main features: The turbine ventilator automatically rotates and spins based on the differences of the inside and outside temperatures of the building. The ventilator does not require electric power or lubricant to operate. The cover is composed of nylon and chemical fiber. It is solid, durable, anti-acid, salt resistant, and impact resistant and built for durable use with stainless steel screws and nylon nut, which will not rust. One of its functions is to remove dirty gases and prevent gases from forming near the ceiling, also preventing corrosion of metal equipment inside the building
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Keywords: ventilator, turbine, building vent, venting, ventilation, building, fan, gas vent